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Bridge Statistics for Lawrence, Massachusetts (MA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 72Number of bridges
  • 1,224ft / 373mTotal length
  • $402,044,000Total costs
  • 2,480,461Total average daily traffic
  • 191,714Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Lawrence
  • No street view available for this location

New bridges in Lawrence, MA - historical statistics
  • New bridges - historical statistics
  • 3Before 1900
  • 11900-1909
  • 41910-1919
  • 41920-1929
  • 81930-1939
  • 31950-1959
  • 381960-1969
  • 11990-1999
  • 72000-2009
  • 32010-2019
Reconstructed bridges in Lawrence, MA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 31930-1939
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 11970-1979
  • 71980-1989
  • 41990-1999
  • 42000-2009
Average Bridge Daily Traffic in Lawrence, MA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 5.1%Very good
  • 18.6%Good
  • 37.3%Satisfactory
  • 33.9%Fair
  • 3.4%Poor
  • 1.7%Serious
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 1.7%Very good
  • 23.3%Good
  • 28.3%Satisfactory
  • 36.7%Fair
  • 8.3%Poor
  • 1.7%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 21.7%Good
  • 26.7%Satisfactory
  • 43.3%Fair
  • 8.3%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 3.8%Very good
  • 57.7%Good
  • 34.6%Satisfactory
  • 3.8%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 66.7%Good
  • 33.3%Satisfactory
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Structure Number: A09027632DOTNBI,  Location: .3 MILES S.OF I495 (Lat: 42.659472,  Lng: -71.192125),  Route carried "on" structure: State highway ,  Year Built: 2008,  Status: Open,  Structure Length: 7.17m (23.52ft),  Average Daily Traffic: 3,232 (year 2018),  Truck Traffic: 16%,  Average Future Daily Traffic: 6,317 (year 2031),  Design Load: HS 20,  Features Intersected: I 93,  Facility Carried by Structure: HWY HIGH PLN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.092,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.5m (41.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 33.6m (110.2ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 14.8m (48.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 91.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 55.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 7.20m (23.62ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $611,000,  Roadway Improvement Cost: $62,000,  Total Project Cost: $917,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: A090282YYDOTNBI,  Location: NORTH I 495 (Lat: 42.677311,  Lng: -71.200303),  Route carried "on" structure: State highway ,  Year Built: 1959,  Status: Open,  Structure Length: 9.75m (31.99ft),  Average Daily Traffic: 3,954 (year 2016),  Truck Traffic: 8%,  Average Future Daily Traffic: 3,159 (year 2031),  Design Load: H 20,  Features Intersected: I 93,  Facility Carried by Structure: HWY CHANDLER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.287,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 9.7m (31.8ft),  Skew: 5 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 32.9m (107.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.7m (41.7ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 56.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.80m (32.15ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: March 2022,  Other Special Inspection Date: March 2022,  Bridge Improvement Cost: $4,889,000,  Roadway Improvement Cost: $489,000,  Total Project Cost: $7,334,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: A090312XQDOTNBI,  Location: JCT I-93 & I-495 (Lat: 42.664022,  Lng: -71.194219),  Route carried "on" structure: Interstate 495,  Year Built: 1961,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 7.68m (25.20ft),  Average Daily Traffic: 58,248 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 84,335 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: I 93
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 156.295,  Lanes on structure: 4,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.4m (57.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 26.8m (87.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 70.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 7.70m (25.26ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $5,535,000,  Roadway Improvement Cost: $554,000,  Total Project Cost: $8,303,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: A090312XRDOTNBI,  Location: JCT I-93 & I-495 (Lat: 42.664433,  Lng: -71.194419),  Route carried "on" structure: Interstate 495,  Year Built: 1961,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 7.68m (25.20ft),  Average Daily Traffic: 59,694 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 84,335 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: I 93
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 156.295,  Lanes on structure: 4,  Lanes under structure: 8,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 26.8m (87.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 70.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.70m (25.26ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $5,535,000,  Roadway Improvement Cost: $554,000,  Total Project Cost: $8,303,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: A09032300DOTNBI,  Location: GREENWOOD AT I-495 (Lat: 42.667075,  Lng: -71.189372),  Route carried "on" structure: State highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 1,700 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,685 (year 2033),  Design Load: H 20,  Features Intersected: I 495 NB,  Facility Carried by Structure: HWY GREENWOOD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.049,  Lanes on structure: 2,  Lanes under structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.3m (83.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 51.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.70m (15.42ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,253,000,  Roadway Improvement Cost: $226,000,  Total Project Cost: $3,380,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A09032301DOTNBI,  Location: GREENWOOD AT I-495 (Lat: 42.667881,  Lng: -71.189650),  Route carried "on" structure: State highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.54m (14.90ft),  Average Daily Traffic: 1,700 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,685 (year 2033),  Design Load: H 20,  Features Intersected: I 495 SB,  Facility Carried by Structure: HWY GREENWOOD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.049,  Lanes on structure: 2,  Lanes under structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 54.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.60m (15.09ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $1,562,000,  Roadway Improvement Cost: $157,000,  Total Project Cost: $2,344,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A09033302DOTNBI,  Location: GREENWOOD AT I-495 (Lat: 42.671308,  Lng: -71.180928),  Route carried "on" structure: State highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 8,800 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 12,161 (year 2033),  Design Load: H 20,  Features Intersected: I 495 NB,  Facility Carried by Structure: HWY CHANDLER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.299,  Lanes on structure: 2,  Lanes under structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.2m (72.8ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 51.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.40m (14.44ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,576,000,  Roadway Improvement Cost: $258,000,  Total Project Cost: $3,865,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A09033303DOTNBI,  Location: CHANDLER RD AT I-495 (Lat: 42.672089,  Lng: -71.181514),  Route carried "on" structure: State highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.62m (15.16ft),  Average Daily Traffic: 8,800 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 12,161 (year 2033),  Design Load: H 20,  Features Intersected: I 495 SB,  Facility Carried by Structure: HWY CHANDLER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.291,  Lanes on structure: 2,  Lanes under structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.1m (72.5ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 73.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.70m (15.42ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,751,000,  Roadway Improvement Cost: $276,000,  Total Project Cost: $4,127,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: A090342XTDOTNBI,  Location: 1.4 MI N I93 (Lat: 42.674789,  Lng: -71.172197),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 57,650 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 153,508 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: HWY BEACON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 158.505,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 56.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.40m (11.15ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,284,000,  Roadway Improvement Cost: $229,000,  Total Project Cost: $3,427,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090342XUDOTNBI,  Location: 1.4 MI N I-93 (Lat: 42.675119,  Lng: -71.172153),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Open,  Structure Length: 3.29m (10.79ft),  Average Daily Traffic: 76,550 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 153,508 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: HWY BEACON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 158.275,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 56.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.30m (10.83ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,217,000,  Roadway Improvement Cost: $222,000,  Total Project Cost: $3,326,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A09035305DOTNBI,  Location: 2 MI N I93 (Lat: 42.677158,  Lng: -71.160556),  Route carried "on" structure: State highway ,  Year Built: 1962,  Status: Open,  Structure Length: 5.39m (17.68ft),  Average Daily Traffic: 2,600 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,448 (year 2031),  Design Load: H 20,  Features Intersected: I 495,  Facility Carried by Structure: HWY CORBETT ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.177,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 26.5m (86.9ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 52.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $2,652,000,  Roadway Improvement Cost: $266,000,  Total Project Cost: $3,979,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090362XVDOTNBI,  Location: 2.4 MI N I93 (Lat: 42.679219,  Lng: -71.152856),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Temporarily open,  Structure Length: 3.56m (11.68ft),  Average Daily Traffic: 95,100 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 150,191 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: ST 28 SB/N MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.162,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Operating Rating: 58.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.60m (11.81ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2022,  Other Special Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,588,000,  Roadway Improvement Cost: $259,000,  Total Project Cost: $3,883,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090362XWDOTNBI,  Location: 2.4 MI N I93 (Lat: 42.678914,  Lng: -71.152778),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Temporarily open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 95,100 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 150,191 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: ST 28 SB/N MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.162,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Operating Rating: 55.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.10m (13.45ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2022,  Other Special Inspection Date: Febuary 2022,  Bridge Improvement Cost: $2,948,000,  Roadway Improvement Cost: $295,000,  Total Project Cost: $4,423,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090372Y0DOTNBI,  Location: 2.6 MI N I93 (Lat: 42.680500,  Lng: -71.149411),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 106,800 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 157,930 (year 2031),  Design Load: HS 20+Mod,  Features Intersected: RR MBTA/BMRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.640,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 60.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.10m (13.45ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $2,803,000,  Roadway Improvement Cost: $281,000,  Total Project Cost: $4,205,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090372Y1DOTNBI,  Location: 2.6 MI N I93 (Lat: 42.680225,  Lng: -71.149194),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Temporarily open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 106,800 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 157,930 (year 2031),  Design Load: HS 20+Mod,  Features Intersected: RR MBTA/BMRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.640,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 56.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.30m (14.11ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: July 2020,  Other Special Inspection Date: July 2021,  Bridge Improvement Cost: $2,939,000,  Roadway Improvement Cost: $294,000,  Total Project Cost: $4,409,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090392XPDOTNBI,  Location: .48 KM S I93 (Lat: 42.661097,  Lng: -71.198364),  Route carried "on" structure: Interstate 495,  Year Built: 1961,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 120,800 (year 2017),  Truck Traffic: 10%,  Average Future Daily Traffic: 165,826 (year 2031),  Design Load: HS 20+Mod,  Features Intersected: WATER FISH BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 156.102,  Lanes on structure: 8,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 37.8m (124.0ft),  Skew: 10 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.4m (21.0ft)

Condition: Channel: Good,  Culverts: Good,  Inventory Rating: 51.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Underwater Inspection Date: June 2020
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Structure Number: A090402YXDOTNBI,  Location: .5 MI S I93 (Lat: 42.658756,  Lng: -71.201469),  Route carried "on" structure: State highway ,  Year Built: 1961,  Status: Open,  Structure Length: 9.02m (29.59ft),  Average Daily Traffic: 4,900 (year 2020),  Average Future Daily Traffic: 7,344 (year 2031),  Design Load: H 20,  Features Intersected: I 495,  Facility Carried by Structure: HWY HIGH PLN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.499,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.3m (40.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Operating Rating: 51.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: June 2020,  Other Special Inspection Date: June 2021,  Bridge Improvement Cost: $8,329,000,  Roadway Improvement Cost: $833,000,  Total Project Cost: $12,494,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090412XXDOTNBI,  Location: 2.5 MI N I93 (Lat: 42.679375,  Lng: -71.152083),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 54,815 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 77,149 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: ST 28 NB/UNION ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.431,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.2m (53.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 66.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.10m (16.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2022,  Bridge Improvement Cost: $3,486,000,  Roadway Improvement Cost: $349,000,  Total Project Cost: $5,230,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090412XYDOTNBI,  Location: 2.5 MI N I93 (Lat: 42.679056,  Lng: -71.152014),  Route carried "on" structure: Interstate 495,  Year Built: 1962,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 54,487 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 77,149 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: ST 28 NB/UNION ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.431,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.2m (53.1ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 70.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.10m (16.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $3,667,000,  Roadway Improvement Cost: $367,000,  Total Project Cost: $5,501,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: A090422YRDOTNBI,  Location: 1.8 MI N ANDOVER CENTER (Lat: 42.680361,  Lng: -71.153111),  Route carried "on" structure: State highway 28,  Year Built: 1962,  Year Reconstructed: 1988,  Status: Open,  Structure Length: 3.38m (11.09ft),  Average Daily Traffic: 13,707 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 15,161 (year 2033),  Design Load: H 20,  Features Intersected: I 495 RAMP D
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 235.891,  Lanes on structure: 2,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 79.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.40m (11.15ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $1,830,000,  Roadway Improvement Cost: $184,000,  Total Project Cost: $2,746,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L040012YHDOTNBI,  Location: AT MERRIMAC RIVER (Lat: 42.700978,  Lng: -71.165500),  Route carried "on" structure: State highway 28,  Year Built: 1935,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 18.20m (59.71ft),  Average Daily Traffic: 34,000 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 38,456 (year 2032),  Design Load: H 20,  Features Intersected: WATER MERRIMACK RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 237.618,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 20.1m (65.9ft),  Skew: 10 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.8m (147.0ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 18.0m (59.1ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 43.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 18.30m (60.04ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Underwater Inspection Date: September 2020,  Bridge Improvement Cost: $12,939,000,  Roadway Improvement Cost: $1,294,000,  Total Project Cost: $19,409,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L040022PTMUNNBI,  Location: AT MERRIMACK RIVER (Lat: 42.703347,  Lng: -71.160347),  Route carried "on" structure: City street ,  Year Built: 1918,  Year Reconstructed: 1982,  Status: Open,  Structure Length: 45.63m (149.70ft),  Average Daily Traffic: 25,000 (year 2021),  Truck Traffic: 2%,  Average Future Daily Traffic: 26,848 (year 2032),  Design Load: HS 20,  Features Intersected: COMB MERIMAC RIV/ACCESS,  Facility Carried by Structure: HWY AMESBURY ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.225,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 7,  Number Of Approach Spans: 6,  Length of Maximum Span: 32.6m (107.0ft),  Curb or Sidewalk Widths: Left: 2.6m (8.5ft),  Right: 2.6m (8.5ft),  Curb-To-Curb Width: 18.3m (60.0ft),  Out-to-Out Width: 24.4m (80.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 52.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 45.70m (149.93ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 42 months,  Inspection Date: September 2021,  Underwater Inspection Date: July 2019,  Bridge Improvement Cost: $43,801,000,  Roadway Improvement Cost: $4,381,000,  Total Project Cost: $65,702,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: L04003317DOTNBI,  Location: AT MERRIMAC RIVER (Lat: 42.704244,  Lng: -71.153364),  Route carried "on" structure: State highway ,  Year Built: 1888,  Year Reconstructed: 2012,  Status: Open,  Structure Length: 18.59m (60.99ft),  Average Daily Traffic: 24,050 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 45,800 (year 2031),  Design Load: HS 25 or greater,  Features Intersected: WATER MERRIMACK RIVER,  Facility Carried by Structure: HWY UNION ST
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 0.002,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Aluminum, Iron,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 39.9m (130.9ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 18.60m (61.02ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: January 2021,  Critical Feature Inspection Date: January 2021,  Underwater Inspection Date: July 2019,  Bridge Improvement Cost: $10,887,000,  Roadway Improvement Cost: $1,089,000,  Total Project Cost: $16,331,000 ( Estimate for 2022),  Deck Structure Type: Closed Grating
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Structure Number: L040042PXMUNNBI,  Location: .32 KM NORTH MERRIMAC R (Lat: 42.706319,  Lng: -71.153408),  Route carried "on" structure: City street ,  Year Built: 1860,  Year Reconstructed: 1939,  Status: Open,  Structure Length: 2.32m (7.61ft),  Average Daily Traffic: 16,435 (year 2018),  Truck Traffic: 4%,  Average Future Daily Traffic: 45,168 (year 2032),  Features Intersected: WATER NORTH CANAL,  Facility Carried by Structure: HWY UNION ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.238,  Lanes on structure: 3,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.0m (72.2ft),  Curb or Sidewalk Widths: Left: 2.2m (7.2ft),  Right: 2.2m (7.2ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Serious,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 64.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 6 months,  Other Special Inspection Frequency: Every 6 months,  Inspection Date: October 2021,  Other Special Inspection Date: October 2021,  Bridge Improvement Cost: $1,433,000,  Roadway Improvement Cost: $144,000,  Total Project Cost: $2,150,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: L040052PYMUNNBI,  Location: AT NORTH CANAL (Lat: 42.705833,  Lng: -71.161806),  Route carried "on" structure: City street ,  Year Built: 1919,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 2.97m (9.74ft),  Average Daily Traffic: 13,433 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 58,434 (year 2032),  Design Load: HS 20,  Features Intersected: WATER NORTH CANAL,  Facility Carried by Structure: HWY AMESBURY ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.016,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 18.5m (60.7ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.2m (92.5ft),  Curb or Sidewalk Widths: Left: 2.5m (8.2ft),  Right: 2.5m (8.2ft),  Curb-To-Curb Width: 18.5m (60.7ft),  Out-to-Out Width: 24.2m (79.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 72.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $510,000,  Roadway Improvement Cost: $52,000,  Total Project Cost: $766,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L040062YJDOTNBI,  Location: .16 KM N MERRIMAC RIVER (Lat: 42.702883,  Lng: -71.166592),  Route carried "on" structure: State highway 28,  Year Built: 1939,  Status: Open,  Structure Length: 3.08m (10.10ft),  Average Daily Traffic: 38,800 (year 2016),  Truck Traffic: 6%,  Average Future Daily Traffic: 61,909 (year 2031),  Design Load: H 20,  Features Intersected: WATER NORTH CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 237.694,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 1,  Length of Maximum Span: 22.3m (73.2ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 20.1m (65.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 62.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $1,287,000,  Roadway Improvement Cost: $129,000,  Total Project Cost: $1,931,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L040072YKDOTNBI,  Location: 1.1 MI N MERRIMAC RIVER (Lat: 42.715381,  Lng: -71.176803),  Route carried "on" structure: State highway 28,  Year Built: 1900,  Year Reconstructed: 1949,  Status: Open,  Structure Length: 1.27m (4.17ft),  Average Daily Traffic: 26,300 (year 2016),  Truck Traffic: 3%,  Average Future Daily Traffic: 620,665 (year 2031),  Features Intersected: WATER SPICKET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 239.303,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.1m (46.3ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.6m (18.4ft),  Curb or Sidewalk Widths: Left: 2.9m (9.5ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 14.1m (46.3ft),  Out-to-Out Width: 20.0m (65.6ft)

Condition: Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 56.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 56.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.30m (4.27ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: July 2020,  Underwater Inspection Date: October 2020,  Bridge Improvement Cost: $1,022,000,  Roadway Improvement Cost: $103,000,  Total Project Cost: $1,534,000 ( Estimate for 2022)
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Structure Number: L040082Q0MUNNBI,  Location: 1.4 KM E ST28 (Lat: 42.714103,  Lng: -71.173425),  Route carried "on" structure: City street ,  Year Built: 1939,  Status: Posted for load,  Structure Length: 1.63m (5.35ft),  Average Daily Traffic: 7,500 (year 2016),  Average Future Daily Traffic: 10,029 (year 2031),  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY DAISY ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.145,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.3m (53.5ft),  Curb or Sidewalk Widths: Left: 2.2m (7.2ft),  Right: 2.3m (7.5ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 41.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 1.70m (5.58ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: September 2020,  Underwater Inspection Date: January 2021,  Bridge Improvement Cost: $869,000,  Roadway Improvement Cost: $87,000,  Total Project Cost: $1,304,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L04009B7BMUNNBI,  Location: AT OLD COUNTY JAIL (Lat: 42.713494,  Lng: -71.170628),  Route carried "on" structure: City street ,  Year Built: 2010,  Status: Open,  Structure Length: 2.08m (6.82ft),  Average Daily Traffic: 7,700 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 13,266 (year 2032),  Design Load: HS 20,  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY HAMPSHIRE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.062,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.3m (63.3ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 15.3m (50.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 73.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $594,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $892,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L040102R8MUNNBI,  Location: .32 KM WEST ST 110 (Lat: 42.713878,  Lng: -71.167114),  Route carried "on" structure: City street ,  Year Built: 2002,  Status: Open,  Structure Length: 1.80m (5.91ft),  Average Daily Traffic: 6,500 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 10,897 (year 2033),  Design Load: HS 20,  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY BENNINGTN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.193,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.8m (51.8ft),  Curb or Sidewalk Widths: Left: 2.0m (6.6ft),  Right: 2.0m (6.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 77.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.90m (6.23ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $1,093,000,  Roadway Improvement Cost: $110,000,  Total Project Cost: $1,640,000 ( Estimate for 2022),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L040112Q2MUNNBI,  Location: .8 KM WEST ST 110 (Lat: 42.714214,  Lng: -71.163956),  Route carried "on" structure: City street ,  Year Built: 1939,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 25,474 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 17,372 (year 2031),  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY LAWRENCE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.869,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.1m (56.1ft),  Curb or Sidewalk Widths: Left: 2.8m (9.2ft),  Right: 2.7m (8.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 46.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.90m (6.23ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: September 2020,  Underwater Inspection Date: November 2021,  Bridge Improvement Cost: $1,366,000,  Roadway Improvement Cost: $137,000,  Total Project Cost: $2,050,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L040122R9MUNNBI,  Location: .16 KM. W. OF RT. 110 (Lat: 42.713544,  Lng: -71.160850),  Route carried "on" structure: City street ,  Year Built: 1850,  Year Reconstructed: 1938,  Status: Temporarily open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 5,255 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 3,553 (year 2031),  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY SHORT ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.257,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.1m (65.9ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 72.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.20m (7.22ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: September 2020,  Other Special Inspection Date: September 2021,  Bridge Improvement Cost: $1,314,000,  Roadway Improvement Cost: $132,000,  Total Project Cost: $1,972,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L040132YEDOTNBI,  Location: .64 KM N LAWRENCE CENTER (Lat: 42.713631,  Lng: -71.157908),  Route carried "on" structure: State highway 110,  Year Built: 1939,  Status: Posted for load,  Structure Length: 1.93m (6.33ft),  Average Daily Traffic: 7,200 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 13,029 (year 2031),  Design Load: H 20,  Features Intersected: WATER SPICKET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 74.503,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.9m (58.7ft),  Curb or Sidewalk Widths: Left: 2.7m (8.9ft),  Right: 3.3m (10.8ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 35.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $1,438,000,  Roadway Improvement Cost: $144,000,  Total Project Cost: $2,158,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L0401458TMUNNBI,  Location: 0.4 KM SW OF PROSPECT ST (Lat: 42.714681,  Lng: -71.156292),  Route carried "on" structure: City street ,  Year Built: 2012,  Status: Open,  Structure Length: 1.93m (6.33ft),  Average Daily Traffic: 11,379 (year 2016),  Truck Traffic: 3%,  Design Load: HS 20,  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY E HAVERHILL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.402,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 17.2m (56.4ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.9m (9.5ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 24.1m (79.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 69.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: November 2020,  Underwater Inspection Date: Febuary 2020,  Bridge Improvement Cost: $380,000,  Roadway Improvement Cost: $39,000,  Total Project Cost: $571,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: L040152Q4MUNNBI,  Location: 0.8 KM EAST ST 110 (Lat: 42.711675,  Lng: -71.152764),  Route carried "on" structure: City street ,  Year Built: 1939,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 7,800 (year 2016),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,476 (year 2031),  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY HAVERHILL ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.380,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.4m (66.9ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 15.9m (52.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 57.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 2.20m (7.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Bridge Improvement Cost: $1,375,000,  Roadway Improvement Cost: $138,000,  Total Project Cost: $2,063,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: L040162PRMUNNBI,  Location: AT LAWRENCE GEN. HOSP. (Lat: 42.709175,  Lng: -71.151450),  Route carried "on" structure: City street ,  Year Built: 1939,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 2.16m (7.09ft),  Average Daily Traffic: 6,206 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 7,581 (year 2032),  Design Load: H 20,  Features Intersected: WATER SPICKET RIVER,  Facility Carried by Structure: HWY GENERAL ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 2.0m (6.6ft),  Right: 2.0m (6.6ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 60.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.20m (7.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $623,000,  Roadway Improvement Cost: $63,000,  Total Project Cost: $935,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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