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

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Structure Number: C08001A4RDOTNBI,  Location: 0.8 KM N OF I 495 (Lat: 42.613283,  Lng: -71.328922),  Route carried "on" structure: US ,  Year Built: 2004,  Status: Open,  Structure Length: 3.01m (9.88ft),  Average Daily Traffic: 27,673 (year 2019),  Truck Traffic: 15%,  Average Future Daily Traffic: 17,372 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ST110 CHELMSFORD ST,  Facility Carried by Structure: US 3 CD SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 130.723,  Lanes on structure: 3,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.3m (40.4ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.4m (93.2ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 87.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $1,783,000,  Roadway Improvement Cost: $179,000,  Total Project Cost: $2,675,000 ( 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: C08001ACMDOTNBI,  Location: 0.8 KM N OF I 495 (Lat: 42.613375,  Lng: -71.328725),  Route carried "on" structure: US ,  Year Built: 2004,  Status: Open,  Structure Length: 3.01m (9.88ft),  Average Daily Traffic: 42,155 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 52,117 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ST110 CHELMSFORD ST,  Facility Carried by Structure: US 3 SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 130.723,  Lanes on structure: 3,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 34.0m (111.5ft),  Skew: 30 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.4m (93.2ft),  Curb-To-Curb Width: 22.0m (72.2ft),  Out-to-Out Width: 23.0m (75.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 94.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 56.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $281,000,  Roadway Improvement Cost: $29,000,  Total Project Cost: $422,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Membrane: Epoxy,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C0800281MMUNNBI,  Location: @ STONY BROOK (Lat: 42.637500,  Lng: -71.377194),  Route carried "on" structure: City street ,  Year Built: 1850,  Year Reconstructed: 1900,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 2,208 (year 2019),  Truck Traffic: 2%,  Design Load: HS 20,  Features Intersected: WATER STONY BROOK,  Facility Carried by Structure: HWY MIDDLESEX ST
Minimum Vertical Clearance: 0.00m,  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Maintenance Responsibility: City or Municipal Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.7m (25.3ft),  Curb-To-Curb Width: 13.1m (43.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: No rating analysis performed,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: No rating analysis performed,  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: 1.50m (4.92ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $1,053,000,  Roadway Improvement Cost: $106,000,  Total Project Cost: $1,580,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080032MYDOT634,  Location: 1.25 MI N DRUM HILL (Lat: 42.635669,  Lng: -71.379011),  Route carried "on" structure: Alternate State highway 3A,  Year Built: 1956,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 21,207 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 35,534 (year 2032),  Design Load: HS 20,  Features Intersected: COMB BMRR & STONY BROOK,  Facility Carried by Structure: ST 3 A/PRNCETN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 111.980,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  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: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.70m (8.86ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $764,000,  Roadway Improvement Cost: $77,000,  Total Project Cost: $1,147,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C080048FQMUNNBI,  Location: 02 MI S OF RT 3 (Lat: 42.623067,  Lng: -71.392883),  Route carried "on" structure: City street ,  Year Built: 2001,  Status: Open,  Structure Length: 0.65m (2.13ft),  Average Daily Traffic: 2,500 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 4,106 (year 2033),  Design Load: HS 20,  Features Intersected: WATER STONY BROOK,  Facility Carried by Structure: HWY MEADOWBRK RD
Minimum Vertical Clearance: 99.00m (324.80ft),  Kilometerpoint: 0.322,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.1m (10.2ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Channel: Very good,  Culverts: Satisfactory,  Operating Rating: 60.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.60m (1.97ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $368,000,  Roadway Improvement Cost: $37,000,  Total Project Cost: $553,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Other,  Membrane: Other,  Deck Protection: Other

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Structure Number: C080052BCMUNNBI,  Location: 1.0 KM SE OF MAIN ST (Lat: 42.617867,  Lng: -71.402153),  Route carried "on" structure: City street ,  Year Built: 1850,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 3,750 (year 2019),  Truck Traffic: 13%,  Average Future Daily Traffic: 5,685 (year 2032),  Features Intersected: WATER STONY BROOK,  Facility Carried by Structure: HWY SCHOOL ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.722,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.5m (18.0ft),  Curb or Sidewalk Widths: Left: 2.0m (6.6ft),  Right: 1.9m (6.2ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 33.6 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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.30m (4.27ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: September 2021,  Underwater Inspection Date: March 2019,  Bridge Improvement Cost: $669,000,  Roadway Improvement Cost: $67,000,  Total Project Cost: $1,004,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080072BDMUNNBI,  Location: JUST E OF MAIN ST (Lat: 42.597794,  Lng: -71.338594),  Route carried "on" structure: City street ,  Year Built: 1984,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 5,043 (year 2019),  Truck Traffic: 8%,  Average Future Daily Traffic: 5,685 (year 2032),  Design Load: HS 20,  Features Intersected: WATER RIVER MEADOW BROOK,  Facility Carried by Structure: HWY TURNPIKE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.241,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 7.7m (25.3ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 72.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.60m (1.97ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: August 2021,  Underwater Inspection Date: April 2019,  Bridge Improvement Cost: $379,000,  Roadway Improvement Cost: $38,000,  Total Project Cost: $569,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C0801285PDOTNBI,  Location: 0.8 KM N OF I 495 (Lat: 42.613561,  Lng: -71.328289),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 3.01m (9.88ft),  Average Daily Traffic: 27,673 (year 2019),  Truck Traffic: 15%,  Average Future Daily Traffic: 17,372 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ST110 CHELMSFORD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 130.723,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.1m (36.4ft),  Skew: 30 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.4m (93.2ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 95.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.3 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $497,000,  Roadway Improvement Cost: $50,000,  Total Project Cost: $746,000 ( 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: C080129TJDOTNBI,  Location: 0.8 KM N OF I 495 (Lat: 42.613478,  Lng: -71.328486),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 3.01m (9.88ft),  Average Daily Traffic: 27,931 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 52,117 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ST110 CHELMSFORD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 130.723,  Lanes on structure: 3,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 34.0m (111.5ft),  Skew: 30 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.4m (93.2ft),  Curb-To-Curb Width: 22.0m (72.2ft),  Out-to-Out Width: 23.0m (75.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 94.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 56.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $281,000,  Roadway Improvement Cost: $29,000,  Total Project Cost: $422,000 ( 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: C080148VVDOTNBI,  Location: 0.25 MI SO RTE 110 (Lat: 42.605011,  Lng: -71.324653),  Route carried "on" structure: City street ,  Year Built: 2004,  Status: Open,  Structure Length: 9.60m (31.50ft),  Average Daily Traffic: 6,700 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 9,476 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3,  Facility Carried by Structure: HWY RIVERNECK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 11,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 26.9m (88.3ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 15.3m (50.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 67.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.5 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: 9.70m (31.82ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $526,000,  Roadway Improvement Cost: $53,000,  Total Project Cost: $790,000 ( 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: C080157D4DOTNBI,  Location: 0.75 MI E DRUM HILL (Lat: 42.620428,  Lng: -71.350692),  Route carried "on" structure: City street ,  Year Built: 2004,  Status: Open,  Structure Length: 7.48m (24.54ft),  Average Daily Traffic: 8,911 (year 2017),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,161 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3,  Facility Carried by Structure: HWY STEADMAN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 15.3m (50.2ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 36.5m (119.8ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 15.3m (50.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 56.4 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: Equal to present minimum criteria,  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: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $425,000,  Roadway Improvement Cost: $43,000,  Total Project Cost: $638,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Membrane: Epoxy,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C080178EFDOTNBI,  Location: 0.4 KM S. DRUM HIL (Lat: 42.620750,  Lng: -71.359806),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 1.85m (6.07ft),  Average Daily Traffic: 100,800 (year 2017),  Truck Traffic: 10%,  Average Future Daily Traffic: 138,978 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: HWY PARKHURST RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 135.986,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.1m (75.8ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.7m (54.8ft),  Curb-To-Curb Width: 23.1m (75.8ft),  Out-to-Out Width: 24.2m (79.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 86.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 1.90m (6.23ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $181,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $272,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C080178EGDOTNBI,  Location: 0.4 KM S. DRUM HIL (Lat: 42.621194,  Lng: -71.359861),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 1.85m (6.07ft),  Average Daily Traffic: 100,800 (year 2017),  Truck Traffic: 10%,  Average Future Daily Traffic: 138,978 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: HWY PARKHURST RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 135.986,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.1m (75.8ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.7m (54.8ft),  Curb-To-Curb Width: 23.1m (75.8ft),  Out-to-Out Width: 24.2m (79.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 86.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 1.90m (6.23ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $181,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $272,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C0801885UDOTNBI,  Location: 2.2 MI N OF I 495 (Lat: 42.622217,  Lng: -71.365314),  Route carried "on" structure: State highway 4,  Year Built: 2004,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 14,416 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 23,058 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3 NB/SB
Minimum Vertical Clearance: 0.00m,  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 8,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.0m (78.7ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 0.0m,  Curb-To-Curb Width: 20.7m (67.9ft),  Out-to-Out Width: 23.2m (76.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 94.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 56.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum 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: May 2021,  Bridge Improvement Cost: $674,000,  Roadway Improvement Cost: $68,000,  Total Project Cost: $1,012,000 ( 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: C0801985QDOTNBI,  Location: 2.2 MI N OF I 495 (Lat: 42.622617,  Lng: -71.367211),  Route carried "on" structure: State highway 4,  Year Built: 2004,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 14,018 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 23,058 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3 NB/SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 8,  Owner: State Highway Agency,  Approaching Roadway Width: 18.9m (62.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.0m (78.7ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 18.9m (62.0ft),  Out-to-Out Width: 21.4m (70.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 87.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.1 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: Equal to present desirable criteria,  Length Of Structure Improvement: 5.10m (16.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $1,539,000,  Roadway Improvement Cost: $154,000,  Total Project Cost: $2,309,000 ( 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: C080222CTMUNNBI,  Location: .16 KM S OF RT 3 (Lat: 42.625764,  Lng: -71.394014),  Route carried "on" structure: City street ,  Year Built: 1950,  Year Reconstructed: 2018,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 1,300 (year 2020),  Average Future Daily Traffic: 2,211 (year 2032),  Features Intersected: WATER CANAL,  Facility Carried by Structure: HWY MEADOWBRK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.000,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.1m (26.6ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.7m (5.6ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: August 2020,  Underwater Inspection Date: June 2021,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C08024AY7DOTNBI,  Location: RT 129 AT RT 3 (Lat: 42.588981,  Lng: -71.312972),  Route carried "on" structure: State highway 129,  Year Built: 2004,  Status: Open,  Structure Length: 8.70m (28.54ft),  Average Daily Traffic: 25,000 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 38,693 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.810,  Lanes on structure: 4,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 20.2m (66.3ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 42.5m (139.4ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 0.0m,  Curb-To-Curb Width: 20.2m (66.3ft),  Out-to-Out Width: 22.7m (74.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 91.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 54.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.80m (28.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $1,577,000,  Roadway Improvement Cost: $158,000,  Total Project Cost: $2,366,000 ( 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: C080252J9DOTNBI,  Location: RT 495 AT RT 110 (Lat: 42.605169,  Lng: -71.344600),  Route carried "on" structure: Interstate 495,  Year Built: 1960,  Status: Temporarily open,  Structure Length: 5.19m (17.03ft),  Average Daily Traffic: 55,955 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 175,302 (year 2031),  Design Load: HS 20,  Features Intersected: ST110 CHELMSFORD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.034,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 14 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: 0.3m (1.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  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: Meets minimum limits,  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: 5.20m (17.06ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: December 2020,  Other Special Inspection Date: December 2021,  Bridge Improvement Cost: $3,738,000,  Roadway Improvement Cost: $374,000,  Total Project Cost: $5,608,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080252JADOTNBI,  Location: RT 495 AT RT 110 (Lat: 42.605464,  Lng: -71.344422),  Route carried "on" structure: Interstate 495,  Year Built: 1960,  Status: Temporarily open,  Structure Length: 5.19m (17.03ft),  Average Daily Traffic: 54,901 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 14,372 (year 2031),  Design Load: HS 20+Mod,  Features Intersected: ST110 CHELMSFORD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.034,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 14 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: 0.7m (2.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.20m (17.06ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $3,738,000,  Roadway Improvement Cost: $374,000,  Total Project Cost: $5,608,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080262JBDOTNBI,  Location: 0.1 MI E RT 110 (Lat: 42.605672,  Lng: -71.342303),  Route carried "on" structure: Interstate 495,  Year Built: 1960,  Status: Open,  Structure Length: 3.29m (10.79ft),  Average Daily Traffic: 88,200 (year 2015),  Truck Traffic: 7%,  Average Future Daily Traffic: 139,294 (year 2032),  Design Load: H 20,  Features Intersected: HWY GOLDEN COVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.407,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.3m (69.9ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 21.3m (69.9ft),  Out-to-Out Width: 36.3m (119.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  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: March 2021,  Bridge Improvement Cost: $4,013,000,  Roadway Improvement Cost: $402,000,  Total Project Cost: $6,020,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: C080262JCDOTNBI,  Location: 0.1 MI E RT 110 (Lat: 42.605833,  Lng: -71.342411),  Route carried "on" structure: Interstate 495,  Year Built: 1960,  Status: Open,  Structure Length: 3.29m (10.79ft),  Average Daily Traffic: 88,200 (year 2015),  Truck Traffic: 7%,  Average Future Daily Traffic: 139,294 (year 2032),  Design Load: H 20,  Features Intersected: HWY GOLDEN COVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.407,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.2 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: March 2021,  Bridge Improvement Cost: $2,256,000,  Roadway Improvement Cost: $226,000,  Total Project Cost: $3,385,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080272JDDOTNBI,  Location: .5 MILE N. OF RT 110 (Lat: 42.606200,  Lng: -71.339975),  Route carried "on" structure: Interstate 495,  Year Built: 1959,  Status: Open,  Structure Length: 2.71m (8.89ft),  Average Daily Traffic: 113,100 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 170,091 (year 2031),  Design Load: HS 20,  Features Intersected: OTHER BIKE PATH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.745,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 16 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 25.6m (84.0ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 17.4m (57.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 54.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.80m (9.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $1,914,000,  Roadway Improvement Cost: $192,000,  Total Project Cost: $2,872,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080272JEDOTNBI,  Location: 0.5 MILE N. OF RTE 110 (Lat: 42.606519,  Lng: -71.339367),  Route carried "on" structure: Interstate 495,  Year Built: 1959,  Status: Open,  Structure Length: 2.71m (8.89ft),  Average Daily Traffic: 113,100 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 170,091 (year 2031),  Design Load: HS 20,  Features Intersected: OTHER BIKE PATH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 142.745,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 16 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 25.6m (84.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 56.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.80m (9.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $2,455,000,  Roadway Improvement Cost: $246,000,  Total Project Cost: $3,683,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: C080282LTDOTNBI,  Location: 0.7 MI N RTE 110 (Lat: 42.606942,  Lng: -71.332592),  Route carried "on" structure: Interstate 495,  Year Built: 1959,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 54,200 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 168,511 (year 2031),  Design Load: HS 20,  Features Intersected: WATER RIVER MEADOW BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 19.5m (64.0ft),  Skew: 11 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 19.5m (64.0ft),  Out-to-Out Width: 21.6m (70.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 50.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.0 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.40m (4.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $1,188,000,  Roadway Improvement Cost: $119,000,  Total Project Cost: $1,783,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080282LUDOTNBI,  Location: 0.7 MI NO RT 110 (Lat: 42.607103,  Lng: -71.332586),  Route carried "on" structure: Interstate 495,  Year Built: 1959,  Year Reconstructed: 1975,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 60,000 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 168,511 (year 2031),  Design Load: HS 20,  Features Intersected: WATER RIVER MEADOW BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 28.3m (92.8ft),  Skew: 11 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 28.3m (92.8ft),  Out-to-Out Width: 30.6m (100.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 52.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.40m (4.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $337,000,  Roadway Improvement Cost: $34,000,  Total Project Cost: $506,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C08029AYEDOTNBI,  Location: RT 495 AT RT 3 (Lat: 42.607433,  Lng: -71.325706),  Route carried "on" structure: Interstate 495,  Year Built: 2004,  Status: Open,  Structure Length: 9.59m (31.46ft),  Average Daily Traffic: 61,400 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 197,412 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 144.065,  Lanes on structure: 6,  Lanes under structure: 12,  Owner: State Highway Agency,  Approaching Roadway Width: 28.2m (92.5ft),  Skew: 31 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.7m (77.8ft),  Curb-To-Curb Width: 28.2m (92.5ft),  Out-to-Out Width: 29.3m (96.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 83.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.8 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,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 9.60m (31.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $1,177,000,  Roadway Improvement Cost: $118,000,  Total Project Cost: $1,766,000 ( 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: C08029AYFDOTNBI,  Location: RT 495 AT RT 3 (Lat: 42.607183,  Lng: -71.325606),  Route carried "on" structure: Interstate 495,  Year Built: 2004,  Status: Open,  Structure Length: 9.59m (31.46ft),  Average Daily Traffic: 118,965 (year 2019),  Truck Traffic: 9%,  Average Future Daily Traffic: 197,412 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 144.065,  Lanes on structure: 6,  Lanes under structure: 12,  Owner: State Highway Agency,  Approaching Roadway Width: 28.2m (92.5ft),  Skew: 31 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.7m (77.8ft),  Curb-To-Curb Width: 28.2m (92.5ft),  Out-to-Out Width: 29.3m (96.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 83.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.8 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,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 9.60m (31.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $1,177,000,  Roadway Improvement Cost: $118,000,  Total Project Cost: $1,766,000 ( 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: C080302JGDOTNBI,  Location: 0.4 KM E RT 495 & RT 3 (Lat: 42.608225,  Lng: -71.318911),  Route carried "on" structure: Interstate 495,  Year Built: 1959,  Status: Open,  Structure Length: 6.31m (20.70ft),  Average Daily Traffic: 8,952 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,900 (year 2032),  Design Load: HS 20,  Features Intersected: I 495,  Facility Carried by Structure: HWY LWL CON B-11
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 10,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 31.0m (101.7ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 58.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.0 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: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.40m (21.00ft),  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Other Special Inspection Date: July 2021,  Bridge Improvement Cost: $3,369,000,  Roadway Improvement Cost: $337,000,  Total Project Cost: $5,054,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C08031762DOTNBI,  Location: 0.6 MI S OF I 495 (Lat: 42.599722,  Lng: -71.321389),  Route carried "on" structure: City street ,  Year Built: 2004,  Status: Open,  Structure Length: 10.00m (32.81ft),  Average Daily Traffic: 9,800 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 22,110 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: US 3,  Facility Carried by Structure: HWY LWLL CONN SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 8,  Owner: State Highway Agency,  Approaching Roadway Width: 12.6m (41.3ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 49.0m (160.8ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Inventory Rating: 60.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.10m (33.14ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $172,000,  Roadway Improvement Cost: $18,000,  Total Project Cost: $259,000 ( 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: C080322GXDOTNBI,  Location: 0.4 KM W RT 495 (Lat: 42.605114,  Lng: -71.320281),  Route carried "on" structure: City street ,  Year Built: 1959,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 15,000 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 75,806 (year 2031),  Design Load: H 20,  Features Intersected: HWY RIVERNECK RD,  Facility Carried by Structure: HWY LWLL CONN NB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.3m (53.5ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 58.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.70m (12.14ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $402,000,  Roadway Improvement Cost: $41,000,  Total Project Cost: $604,000 ( 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: C080322GYDOTNBI,  Location: 0.4 KM S RT 495 (Lat: 42.605147,  Lng: -71.320544),  Route carried "on" structure: City street ,  Year Built: 1959,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 3.65m (11.98ft),  Average Daily Traffic: 16,500 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 47,379 (year 2031),  Design Load: HS 20+Mod,  Features Intersected: HWY RIVERNECK RD,  Facility Carried by Structure: HWY LWLL CONN SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.3m (53.5ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 54.2 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: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.70m (12.14ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $1,872,000,  Roadway Improvement Cost: $188,000,  Total Project Cost: $2,809,000 ( 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: C080332H0DOTNBI,  Location: 0.16 KM W RT 495 (Lat: 42.606058,  Lng: -71.320269),  Route carried "on" structure: City street ,  Year Built: 1959,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 3.53m (11.58ft),  Average Daily Traffic: 15,000 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 41,062 (year 2031),  Design Load: H 20,  Features Intersected: I 495 RAMP B-11,  Facility Carried by Structure: HWY LWLL CONN NB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 11 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: 11.6m (38.1ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 53.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.2 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: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.60m (11.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $1,938,000,  Roadway Improvement Cost: $194,000,  Total Project Cost: $2,908,000 ( 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: C080332H1DOTNBI,  Location: .16 KM S RT 495 (Lat: 42.606022,  Lng: -71.320525),  Route carried "on" structure: City street ,  Year Built: 1959,  Year Reconstructed: 1984,  Status: Open,  Structure Length: 3.50m (11.48ft),  Average Daily Traffic: 26,000 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 41,062 (year 2031),  Design Load: HS 20,  Features Intersected: I 495 RAMP B-11,  Facility Carried by Structure: HWY LWLL CONN SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 11 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.5m (47.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 52.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 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: 3.60m (11.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $1,938,000,  Roadway Improvement Cost: $194,000,  Total Project Cost: $2,908,000 ( 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: C080342LRDOTNBI,  Location: 0.25 MI SW RT 3 & RT 110 (Lat: 42.610353,  Lng: -71.330508),  Route carried "on" structure: City street ,  Year Built: 1959,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 800 (year 2019),  Truck Traffic: 16%,  Average Future Daily Traffic: 829 (year 2032),  Design Load: H 20,  Features Intersected: WATER RIVER MEADOW BROOK,  Facility Carried by Structure: HWY GLEN AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.2m (36.7ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.9 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: 1.20m (3.94ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $351,000,  Roadway Improvement Cost: $36,000,  Total Project Cost: $527,000 ( Estimate for 2022),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: C080352G4DOTNBI,  Location: 0.25 MI S RT 3 & RT 110 (Lat: 42.611889,  Lng: -71.327669),  Route carried "on" structure: US 3,  Year Built: 1959,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 104,768 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 136,136 (year 2032),  Design Load: H 20,  Features Intersected: WATER RIVER MEADOW BRK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 127.215,  Lanes on structure: 12,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 28.0m (91.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $2,940,000,  Roadway Improvement Cost: $295,000,  Total Project Cost: $4,411,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080362LQDOTNBI,  Location: 0.75 MI W RT 110 (Lat: 42.600819,  Lng: -71.360444),  Route carried "on" structure: City street ,  Year Built: 1961,  Status: Posted for load,  Structure Length: 11.95m (39.21ft),  Average Daily Traffic: 7,100 (year 2015),  Truck Traffic: 4%,  Average Future Daily Traffic: 11,213 (year 2032),  Design Load: H 20,  Features Intersected: I 495,  Facility Carried by Structure: HWY WESTFORD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  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: 5,  Length of Maximum Span: 32.3m (106.0ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.1m (49.5ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 40.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 12.90m (42.32ft),  Designated Inspection Frequency: Every 6 months,  Other Special Inspection Frequency: Every 6 months,  Inspection Date: March 2021,  Other Special Inspection Date: September 2021,  Bridge Improvement Cost: $11,014,000,  Roadway Improvement Cost: $1,102,000,  Total Project Cost: $16,522,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080372K7DOTNBI,  Location: RT 4 AT RT 495 (Lat: 42.603078,  Lng: -71.353931),  Route carried "on" structure: State highway 4,  Year Built: 1959,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 33,500 (year 2015),  Truck Traffic: 7%,  Average Future Daily Traffic: 52,907 (year 2032),  Design Load: HS 20,  Features Intersected: I 495
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.477,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 16.3m (53.5ft)

Condition: Deck: Good,  Superstructure: Fair,  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: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.80m (15.75ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $3,074,000,  Roadway Improvement Cost: $308,000,  Total Project Cost: $4,612,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous