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Bridge Statistics for Salem, New Hampshire (NH) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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National Bridge Inventory (NBI) Statistics
Number of bridges: 43
Total length: 160 meters (525ft)
Total costs: $55,500,000
Total average daily traffic: 941,300
Total average daily truck traffic: 68,196
National Bridge Inventory (NBI) Registered Bridges for Salem

New bridges - Historical Statistics

  • 1900-1909: 4
  • 1910-1919: 0
  • 1920-1929: 0
  • 1930-1939: 4
  • 1940-1949: 0
  • 1950-1959: 1
  • 1960-1969: 27
  • 1970-1979: 3
  • 1980-1989: 3
  • 1990-1999: 1

Reconstructed bridges - Historical Statistics

  • 1930-1939: 1
  • 1940-1949: 0
  • 1950-1959: 3
  • 1960-1969: 2
  • 1970-1979: 0
  • 1980-1989: 2

Average Daily Traffic

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

Bridge Condition - Culverts

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Structure Number: 228005800089,  Location: .4 MI S WINDHAM TL (Lat: 42.783353,  Lng: -71.255492),  Route carried "on" structure: Other road ,  Year Built: 1961,  Status: Open,  Structure Length: 6.31m (20.70ft),  Average Daily Traffic: 860 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,273 (year 2026),  Design Load: H 20,  Features Intersected: I-93,  Facility Carried by Structure: BROOKDALE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.223,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 30.5m (100.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 25.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.1 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.31m (20.70ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228006800078,  Location: 1.1 MI N OF JCT RT 38 (Lat: 42.777406,  Lng: -71.245108),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Temporarily open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 41,500 (year 2006),  Truck Traffic: 9%,  Average Future Daily Traffic: 61,420 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PELHAM ROAD
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 4.812,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Poor,  Operating Rating: 22.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.87m (12.70ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228007000079,  Location: 1.1 MI N OF JCT RT 38 (Lat: 42.777647,  Lng: -71.244717),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Temporarily open,  Structure Length: 4.08m (13.39ft),  Average Daily Traffic: 41,500 (year 2006),  Truck Traffic: 9%,  Average Future Daily Traffic: 61,420 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PELHAM ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.812,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.7m (58.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Poor,  Operating Rating: 22.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  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: 4.08m (13.39ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 22800710007,  Location: 2.47 MI FROM MASS S.L. (Lat: 42.773778,  Lng: -71.242819),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 87,000 (year 2003),  Truck Traffic: 9%,  Average Future Daily Traffic: 128,760 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PORCUPINE BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.975,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 88.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228007300063,  Location: 2.0 MI N. OF MASS SL (Lat: 42.765433,  Lng: -71.237983),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Temporarily open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 41,500 (year 2006),  Truck Traffic: 9%,  Average Future Daily Traffic: 61,420 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: NH 38
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.396,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.2m (63.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Satisfactory,  Operating Rating: 22.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.24m (13.91ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228007600065,  Location: 2.12MI MASS S.L. (Lat: 42.766261,  Lng: -71.237075),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 87,000 (year 2003),  Truck Traffic: 9%,  Average Future Daily Traffic: 128,760 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PORCUPINE BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.412,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft),  Out-to-Out Width: 24.4m (80.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 89.8 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,  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228007700063,  Location: 2.0MI N OF MASS SL. (Lat: 42.765439,  Lng: -71.236511),  Route carried "on" structure: Interstate 93,  Year Built: 1961,  Status: Temporarily open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 43,500 (year 2003),  Truck Traffic: 9%,  Average Future Daily Traffic: 64,380 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: NH 38
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.315,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.5m (64.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Serious,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.9 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.33m (14.21ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228007800063,  Location: 0.1 MI E JCT I-93 (Lat: 42.765592,  Lng: -71.235478),  Route carried "on" structure: State highway 38,  Year Built: 1978,  Status: Open,  Structure Length: 0.49m (1.61ft),  Average Daily Traffic: 17,000 (year 2004),  Truck Traffic: 5%,  Average Future Daily Traffic: 25,160 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PORCUPINE BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.768,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 17.2m (56.4ft),  Out-to-Out Width: 18.0m (59.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present desirable 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: 0.49m (1.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008000056,  Location: .2 MI S OF JCT NH 38 (Lat: 42.760722,  Lng: -71.233894),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1985,  Status: Open,  Structure Length: 4.82m (15.81ft),  Average Daily Traffic: 3,300 (year 2005),  Truck Traffic: 6%,  Average Future Daily Traffic: 4,884 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: I-93 SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.837,  Lanes on structure: 1,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 22.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  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: 4.82m (15.81ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008100055,  Location: .2 MI S OF JCT NH 38 (Lat: 42.760964,  Lng: -71.234158),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1965,  Status: Open,  Structure Length: 4.97m (16.31ft),  Average Daily Traffic: 14,700 (year 2005),  Truck Traffic: 9%,  Average Future Daily Traffic: 21,756 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: I-93 SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.531,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.2m (76.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Serious,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 24.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.97m (16.31ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008100058,  Location: .2 MI S OF JCT NH 38 (Lat: 42.761486,  Lng: -71.233464),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1961,  Status: Open,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 3,300 (year 2005),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,884 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: I-93 NB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.832,  Lanes on structure: 1,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Serious,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 24.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.66m (15.29ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008200057,  Location: .2 MI S OF JCT NH 38 (Lat: 42.761694,  Lng: -71.233686),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1965,  Status: Temporarily open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 14,700 (year 2005),  Truck Traffic: 9%,  Average Future Daily Traffic: 21,756 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: I-93 NB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.628,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.4m (66.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 24.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.72m (15.49ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008200061,  Location: .2MI S. OF JCT RT 38 (Lat: 42.763328,  Lng: -71.231714),  Route carried "on" structure: Ramp State highway 93,  Year Built: 1960,  Status: Temporarily open,  Structure Length: 4.45m (14.60ft),  Average Daily Traffic: 3,300 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 4,884 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: SOUTH POLICY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.191,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 24.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.45m (14.60ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008300061,  Location: .2MI S OF JCT RT 38 (Lat: 42.763053,  Lng: -71.231467),  Route carried "on" structure: Ramp State highway 93,  Year Built: 1965,  Status: Open,  Structure Length: 4.45m (14.60ft),  Average Daily Traffic: 3,300 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 4,884 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: SOUTH POLICY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.885,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 22.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: 4.45m (14.60ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008300062,  Location: 1.72MI MASS S.L. (Lat: 42.763603,  Lng: -71.231786),  Route carried "on" structure: State highway ,  Year Built: 1935,  Status: Open,  Structure Length: 0.52m (1.71ft),  Average Daily Traffic: 9,500 (year 2003),  Truck Traffic: 5%,  Average Future Daily Traffic: 14,060 (year 2026),  Design Load: H 15,  Features Intersected: PORCUPINE BROOK,  Facility Carried by Structure: SOUTH POLICY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.768,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.3m (14.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 7.7m (25.3ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 19.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.52m (1.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008400061,  Location: .4MI S OF JCT RT 38 (Lat: 42.762922,  Lng: -71.231225),  Route carried "on" structure: Bypass Interstate 93,  Year Built: 1961,  Status: Temporarily open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 14,500 (year 2003),  Truck Traffic: 6%,  Average Future Daily Traffic: 21,460 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: SOUTH POLICY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.885,  Lanes on structure: 3,  Lanes under structure: 2,  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: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 15.4m (50.5ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Serious,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 22.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.60m (15.09ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008600064,  Location: .88MI JCT I-93 SB (Lat: 42.764883,  Lng: -71.229569),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1960,  Year Reconstructed: 1972,  Status: Open,  Structure Length: 0.52m (1.71ft),  Average Daily Traffic: 14,700 (year 2005),  Truck Traffic: 6%,  Average Future Daily Traffic: 21,756 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: PORCUPINE BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.416,  Lanes on structure: 8,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 21 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.6m (15.1ft),  Out-to-Out Width: 21.0m (68.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 88.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.52m (1.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228008700063,  Location: ROCKINGHAM MALL (Lat: 42.766506,  Lng: -71.226997),  Route carried "on" structure: Ramp Other road 93,  Year Built: 1991,  Status: Open,  Structure Length: 44.38m (145.60ft),  Average Daily Traffic: 11,000 (year 2001),  Truck Traffic: 4%,  Average Future Daily Traffic: 16,280 (year 2026),  Design Load: HS 25,  Features Intersected: ROCKHAM BLVD,BK,PARKNLOT,  Facility Carried by Structure: ROCKNHAM MALL ENTR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.836,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 21.3m (69.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 13,  Length of Maximum Span: 49.4m (162.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Very good,  Superstructure: Excellent,  Substructure: Excellent,  Operating Rating: 56.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Length Of Structure Improvement: 44.38m (145.60ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2008,  Critical Feature Inspection Date: Febuary 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 228008900052,  Location: 1.2 MI N OF MASS SL (Lat: 42.756614,  Lng: -71.227131),  Route carried "on" structure: City street ,  Year Built: 1961,  Status: Open,  Structure Length: 10.42m (34.19ft),  Average Daily Traffic: 6,100 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 9,028 (year 2026),  Design Load: H 20,  Features Intersected: I-93,  Facility Carried by Structure: CROSS STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.609,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 38.7m (127.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Operating Rating: 25.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.42m (34.19ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: March 2008,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228009200068,  Location: 1.36MI JCT I-93 SB (Lat: 42.768011,  Lng: -71.223358),  Route carried "on" structure: Ramp Interstate 93,  Year Built: 1960,  Year Reconstructed: 1972,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 14,700 (year 2005),  Truck Traffic: 6%,  Average Future Daily Traffic: 21,756 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: POLICY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.189,  Lanes on structure: 7,  Owner: State Highway Agency,  Approaching Roadway Width: 32.3m (106.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft),  Out-to-Out Width: 100.0m (328.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228009300056,  Location: 0.7MI. NH28 (Lat: 42.759983,  Lng: -71.222872),  Route carried "on" structure: Other road ,  Year Built: 1981,  Status: Open,  Structure Length: 0.58m (1.90ft),  Average Daily Traffic: 5,200 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 7,696 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: POLICY BROOK,  Facility Carried by Structure: KELLEY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.016,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.9m (16.1ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  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: 0.58m (1.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 22800940006,  Location: 0.2 MI FROM KELLEY ROAD (Lat: 42.762406,  Lng: -71.222692),  Route carried "on" structure: Other road ,  Year Built: 1970,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 17,000 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 25,160 (year 2026),  Features Intersected: POLICY BROOK,  Facility Carried by Structure: CLUFFS CROSSING
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.257,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Out-to-Out Width: 4.7m (15.4ft)

Condition: Channel: Good,  Culverts: Serious,  Operating Rating: 22.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228009400119,  Location: 2.3 MI FROM MASS. SL (Lat: 42.805286,  Lng: -71.218422),  Route carried "on" structure: Other road ,  Year Built: 1965,  Status: Open,  Structure Length: 0.34m (1.12ft),  Average Daily Traffic: 2,400 (year 2004),  Truck Traffic: 3%,  Average Future Daily Traffic: 3,552 (year 2026),  Design Load: H 20,  Features Intersected: HITTYTITY BROOK,  Facility Carried by Structure: BLUFF STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.462,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.4m (11.2ft),  Out-to-Out Width: 19.8m (65.0ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 17.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.34m (1.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228009500052,  Location: REST AREA EXIT ROAD (Lat: 42.754167,  Lng: -71.221389),  Route carried "on" structure: Interstate 93,  Year Built: 1967,  Status: Open,  Structure Length: 0.81m (2.66ft),  Average Daily Traffic: 1,800 (year 2000),  Truck Traffic: 9%,  Average Future Daily Traffic: 2,664 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: POLICY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.500,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.81m (2.66ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228009700181,  Location: 0 (Lat: 42.849150,  Lng: -71.215053),  Route carried "on" structure: Other road ,  Year Built: 1930,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 2,000 (year 1994),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,960 (year 2026),  Features Intersected: SPICKET RIVER,  Facility Carried by Structure: HAVERHILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.016,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.9m (16.1ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Good,  Operating Rating: 20.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.73m (2.40ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228009800049,  Location: REST AREA ENTRANCE ROAD (Lat: 42.753611,  Lng: -71.220278),  Route carried "on" structure: Interstate 93,  Year Built: 1967,  Status: Open,  Structure Length: 0.81m (2.66ft),  Average Daily Traffic: 1,800 (year 2000),  Truck Traffic: 9%,  Average Future Daily Traffic: 2,664 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: POLICY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.400,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.81m (2.66ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228010900049,  Location: 1.1MI N. OF MASS SL (Lat: 42.754456,  Lng: -71.208264),  Route carried "on" structure: State highway 28,  Year Built: 1900,  Year Reconstructed: 1986,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 20,000 (year 2001),  Truck Traffic: 5%,  Average Future Daily Traffic: 29,600 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: SPICKET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.754,  Lanes on structure: 6,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 21.3m (69.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 22.6m (74.1ft),  Out-to-Out Width: 26.8m (87.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 25.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228011000107,  Location: .5 MI SOUTH OF RD.#448 (Lat: 42.796636,  Lng: -71.204800),  Route carried "on" structure: City street ,  Year Built: 1968,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 1,200 (year 2004),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,776 (year 2026),  Features Intersected: WIDOW HARRIS BROOK,  Facility Carried by Structure: LOU AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Aluminum, Iron,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 17.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 22801130007,  Location: 1.08 MI FR MASS SL (Lat: 42.769028,  Lng: -71.202656),  Route carried "on" structure: Other road ,  Year Built: 1935,  Year Reconstructed: 1955,  Status: Posted for load,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 7,100 (year 2004),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,508 (year 2026),  Features Intersected: SPICKET RIVER,  Facility Carried by Structure: LAWRENCE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 22.9 metric tons,  Method Used To Determine Operating Rating: Load Testing,  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Load Testing,  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.95m (6.40ft),  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228011300134,  Location: 1.6 MI FROM NH 97 (Lat: 42.815128,  Lng: -71.199600),  Route carried "on" structure: Other road ,  Year Built: 1900,  Year Reconstructed: 1963,  Status: Open,  Structure Length: 0.43m (1.41ft),  Average Daily Traffic: 6,600 (year 2003),  Truck Traffic: 3%,  Average Future Daily Traffic: 9,768 (year 2026),  Features Intersected: SPICKET RIVER,  Facility Carried by Structure: NORTH MAIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.607,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 19.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.43m (1.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228011400108,  Location: 0.14 MI FR ATKINSON TL (Lat: 42.796061,  Lng: -71.199053),  Route carried "on" structure: Other road ,  Year Built: 1935,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 170 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 252 (year 2026),  Features Intersected: WIDOW HARRIS BROOK,  Facility Carried by Structure: EMERSON WAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.193,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 2.7m (8.9ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 15.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 10.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.37m (1.21ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228011500097,  Location: 1.0MI MASS SL (Lat: 42.787950,  Lng: -71.199839),  Route carried "on" structure: State highway ,  Year Built: 1900,  Year Reconstructed: 1959,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 6,000 (year 2005),  Truck Traffic: 3%,  Average Future Daily Traffic: 8,880 (year 2026),  Features Intersected: SPICKET RIVER,  Facility Carried by Structure: BRIDGE STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.113,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 12.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 9.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.88m (2.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228011500115,  Location: .5 MI.NORTH OF RD.#40 (Lat: 42.802097,  Lng: -71.197842),  Route carried "on" structure: City street ,  Year Built: 1900,  Year Reconstructed: 1930,  Status: Open,  Structure Length: 0.30m (0.98ft),  Average Daily Traffic: 6,800 (year 2004),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,064 (year 2026),  Features Intersected: WIDOW HARRIS BROOK,  Facility Carried by Structure: NORTH MAIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Masonry,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 16.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 10.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.30m (0.98ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228011800104,  Location: .5MI W MASS SL (Lat: 42.792906,  Lng: -71.196864),  Route carried "on" structure: State highway 97,  Year Built: 1958,  Year Reconstructed: 1994,  Status: Open,  Structure Length: 1.77m (5.81ft),  Average Daily Traffic: 14,000 (year 2005),  Truck Traffic: 5%,  Average Future Daily Traffic: 20,720 (year 2026),  Design Load: HS 25,  Features Intersected: SPICKET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.154,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.5m (54.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.5m (47.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 64.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 42.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.77m (5.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 228011800116,  Location: 1.10 MI FROM MASS. SL (Lat: 42.802017,  Lng: -71.195553),  Route carried "on" structure: Other road ,  Year Built: 1960,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 3,700 (year 2004),  Truck Traffic: 3%,  Average Future Daily Traffic: 5,476 (year 2026),  Features Intersected: SPICKET RIVER,  Facility Carried by Structure: TOWN FARM ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.474,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.6m (15.1ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 12.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 9.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  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: 0.70m (2.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 228012000155,  Location: 0.2 ATKINSON TL (Lat: 42.832875,  Lng: -71.189775),  Route carried "on" structure: Other road ,  Year Built: 1969,  Status: Open,  Structure Length: 0.40m (1.31ft),  Average Daily Traffic: 970 (year 1992),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,436 (year 2026),  Design Load: H 20,  Features Intersected: PROVIDENCE HILL BROOK,  Facility Carried by Structure: PROVIDENCE HILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.129,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.0m (13.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 22.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.40m (1.31ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 22801220016,  Location: 1.3 MI. ATKINSON TL (Lat: 42.830622,  Lng: -71.191058),  Route carried "on" structure: Other road ,  Year Built: 1971,  Status: Open,  Structure Length: 0.34m (1.12ft),  Average Daily Traffic: 3,600 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,328 (year 2026),  Features Intersected: PROVIDENCE HILL BROOK,  Facility Carried by Structure: SHANNON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.635,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.4m (11.2ft),  Out-to-Out Width: 21.3m (69.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 13.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 78.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.34m (1.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)
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Structure Number: 228005800089,  Location: .4 MI S WINDHAM TL (Lat: 42.783353,  Lng: -71.255492),  Route carried "under" structure: Interstate 93,  Year Built: 1961,  Structure Length: 6.31m (20.70ft),  Average Daily Traffic: 87,000 (year 2003),  Truck Traffic: 9%,  Features Intersected: I-93,  Facility Carried by Structure: BROOKDALE ROAD
Minimum Vertical Clearance: 0.50m (1.64ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.5m (100.1ft)

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Structure Number: 228008000056,  Location: .2 MI S OF JCT NH 38 (Lat: 42.760722,  Lng: -71.233894),  Route carried "under" structure: Interstate 93,  Year Built: 1985,  Structure Length: 4.82m (15.81ft),  Average Daily Traffic: 43,500 (year 2003),  Truck Traffic: 9%,  Features Intersected: I-93 SB
Minimum Vertical Clearance: 5.57m (18.27ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 228008100055,  Location: .2 MI S OF JCT NH 38 (Lat: 42.760964,  Lng: -71.234158),  Route carried "under" structure: Interstate 93,  Year Built: 1965,  Structure Length: 4.97m (16.31ft),  Average Daily Traffic: 43,500 (year 2003),  Truck Traffic: 9%,  Features Intersected: I-93 SB
Minimum Vertical Clearance: 4.91m (16.11ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: 228008100058,  Location: .2 MI S OF JCT NH 38 (Lat: 42.761486,  Lng: -71.233464),  Route carried "under" structure: Interstate 93,  Year Built: 1961,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 43,500 (year 2003),  Truck Traffic: 6%,  Features Intersected: I-93 NB
Minimum Vertical Clearance: 5.29m (17.36ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.8m (65.0ft)

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Structure Number: 228008200057,  Location: .2 MI S OF JCT NH 38 (Lat: 42.761694,  Lng: -71.233686),  Route carried "under" structure: Interstate 93,  Year Built: 1965,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 42,500 (year 2001),  Truck Traffic: 6%,  Features Intersected: I-93 NB
Minimum Vertical Clearance: 0.50m (1.64ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.4m (66.9ft)

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Structure Number: 228008900052,  Location: 1.2 MI N OF MASS SL (Lat: 42.756614,  Lng: -71.227131),  Route carried "under" structure: Interstate 93,  Year Built: 1961,  Structure Length: 10.42m (34.19ft),  Average Daily Traffic: 108,000 (year 2005),  Truck Traffic: 4%,  Features Intersected: I-93,  Facility Carried by Structure: CROSS STREET
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 38.7m (127.0ft)

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