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


  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 203ft / 61.8mTotal length
  • $34,562,000Total costs
  • 317,296Total average daily traffic
  • 38,350Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Windham
  • No street view available for this location

New bridges in Windham, NH - historical statistics
  • New bridges - historical statistics
  • 11960-1969
  • 11980-1989
  • 41990-1999
  • 32000-2009
  • 82010-2019
  • 12020-2022
Average Bridge Daily Traffic in Windham, NH
Average Bridge Truck Traffic in Windham, NH
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 10.0%Excellent
  • 50.0%Very good
  • 40.0%Good
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.0%Excellent
  • 70.0%Very good
  • 20.0%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 10.0%Excellent
  • 60.0%Very good
  • 30.0%Good
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 40.0%Excellent
  • 20.0%Very good
  • 20.0%Good
  • 20.0%Satisfactory
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Structure Number: 280004200082,  Location: AT HUDSON TL (Lat: 42.794097,  Lng: -71.364003),  Route carried "on" structure: State highway 111,  Year Built: 1961,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 12,868 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 19,044 (year 2042),  Design Load: H 20,  Features Intersected: BEAVER BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.842,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.16m (3.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other
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Structure Number: 280005700051,  Location: 0.02 MI FR PELHAM TL (Lat: 42.774400,  Lng: -71.349897),  Route carried "on" structure: Other road ,  Year Built: 2021,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 242 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 358 (year 2042),  Design Load: HL 93,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: CASTLE HILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.014,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 63.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 48.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 280010400142,  Location: 0.6 MI SOUTH DERRY TL (Lat: 42.836256,  Lng: -71.299936),  Route carried "on" structure: Interstate 93,  Year Built: 1995,  Year Reconstructed: 2019,  Status: Open,  Structure Length: 3.20m (10.50ft),  Average Daily Traffic: 32,231 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 47,701 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: NORTH LOWELL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 198.794,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.6m (70.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 29.6m (97.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 21.6m (70.9ft),  Out-to-Out Width: 22.9m (75.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 68.9 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: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.20m (10.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280010500142,  Location: .6 MI S OF DERRY TL (Lat: 42.836658,  Lng: -71.299886),  Route carried "on" structure: Interstate 93,  Year Built: 1998,  Year Reconstructed: 2021,  Status: Open,  Structure Length: 2.93m (9.61ft),  Average Daily Traffic: 31,975 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 47,323 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: NORTH LOWELL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.469,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.5m (77.1ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 23.5m (77.1ft),  Out-to-Out Width: 24.7m (81.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.93m (9.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 280010700087,  Location: 0.3 MI FROM NH RTE 111 (Lat: 42.799083,  Lng: -71.302767),  Route carried "on" structure: Other road ,  Year Built: 1989,  Status: Open,  Structure Length: 0.72m (2.36ft),  Average Daily Traffic: 431 (year 2020),  Average Future Daily Traffic: 637 (year 2042),  Features Intersected: COLLINS BROOK,  Facility Carried by Structure: COLLINS BROOK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.035,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.4m (7.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 25.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 15.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.72m (2.36ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 28001360009,  Location: .7/10 OF MIL WEST NH 111 (Lat: 42.799750,  Lng: -71.271964),  Route carried "on" structure: Interstate 93,  Year Built: 2014,  Status: Open,  Structure Length: 4.11m (13.48ft),  Average Daily Traffic: 39,882 (year 2020),  Truck Traffic: 25%,  Average Future Daily Traffic: 59,025 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: NH111A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 203.743,  Lanes on structure: 5,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.3m (96.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 33.8m (110.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 29.0m (95.1ft),  Out-to-Out Width: 30.2m (99.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.11m (13.48ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280013700092,  Location: .2 M EAST OF ARMSTRONG RD (Lat: 42.800281,  Lng: -71.271156),  Route carried "on" structure: Interstate I93,  Year Built: 2011,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 38,069 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 56,342 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: NH111A,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.554,  Lanes on structure: 5,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 25.3m (83.0ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 40.2m (131.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 25.3m (83.0ft),  Out-to-Out Width: 26.5m (86.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 69.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable 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: 4.24m (13.91ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280013700102,  Location: 3 MI SOUTH OF DERRY TL (Lat: 42.809136,  Lng: -71.272594),  Route carried "on" structure: Interstate I93,  Year Built: 2014,  Status: Open,  Structure Length: 12.49m (40.98ft),  Average Daily Traffic: 32,231 (year 2020),  Truck Traffic: 25%,  Average Future Daily Traffic: 47,701 (year 2042),  Design Load: HL 93,  Features Intersected: NH111,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 202.690,  Lanes on structure: 4,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.6m (70.9ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 70.1m (230.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 21.6m (70.9ft),  Out-to-Out Width: 22.9m (75.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 12.49m (40.98ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280013900102,  Location: 0.2 EAST OF WYMAN ROAD (Lat: 42.809075,  Lng: -71.271847),  Route carried "on" structure: Interstate 93,  Year Built: 2011,  Status: Open,  Structure Length: 11.80m (38.71ft),  Average Daily Traffic: 31,975 (year 2020),  Truck Traffic: 25%,  Average Future Daily Traffic: 47,323 (year 2042),  Design Load: HL 93,  Features Intersected: NH111
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.532,  Lanes on structure: 4,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 70.1m (230.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 21.9m (71.9ft),  Out-to-Out Width: 22.9m (75.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 63.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 11.80m (38.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280016100114,  Location: 0.5MI EAST NH 28 (Lat: 42.814561,  Lng: -71.246539),  Route carried "on" structure: State highway ,  Year Built: 2007,  Status: Open,  Structure Length: 18.32m (60.10ft),  Average Daily Traffic: 16,096 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 23,822 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: HARRIS RD,FLATROCK BK,  Facility Carried by Structure: NH111
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.619,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 20 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 49.1m (161.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 26.2m (86.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 68.1 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: Equal to present desirable criteria,  Deck Geometry: High priority of replacement,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Length Of Structure Improvement: 18.32m (60.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 280016600123,  Location: WINDHAM (Lat: 42.822469,  Lng: -71.243511),  Route carried "on" structure: State highway 111,  Year Built: 2007,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 16,096 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 23,822 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: WETLAND 41
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.554,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 13.1m (43.0ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 70.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Length Of Structure Improvement: 2.01m (6.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  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: 280010400142,  Location: 0.6 MI SOUTH DERRY TL (Lat: 42.836256,  Lng: -71.299936),  Route carried "under" structure: City street ,  Year Built: 1995,  Structure Length: 0. m,  Average Daily Traffic: 5,000 (year 2014),  Features Intersected: NORTH LOWELL ROAD,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 4.85m (15.91ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 29.6m (97.1ft)

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Structure Number: 280010500142,  Location: .6 MI S OF DERRY TL (Lat: 42.836658,  Lng: -71.299886),  Route carried "under" structure: City street ,  Year Built: 1998,  Structure Length: 0. m,  Average Daily Traffic: 5,000 (year 2014),  Features Intersected: NORTH LOWELL ROAD,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 4.85m (15.91ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 28001360009,  Location: .7/10 OF MIL WEST NH 111 (Lat: 42.799750,  Lng: -71.271964),  Route carried "under" structure: State highway ,  Year Built: 2014,  Structure Length: 0. m,  Average Daily Traffic: 9,100 (year 2013),  Truck Traffic: 1%,  Features Intersected: NH111A,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 4.65m (15.26ft),  Kilometerpoint: 0.000,  Lanes on structure: 5,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.8m (110.9ft)

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Structure Number: 280013700092,  Location: .2 M EAST OF ARMSTRONG RD (Lat: 42.800281,  Lng: -71.271156),  Route carried "under" structure: Alternate State highway ,  Year Built: 2011,  Structure Length: 0. m,  Average Daily Traffic: 4,000 (year 2013),  Truck Traffic: 1%,  Features Intersected: NH111A,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 4.75m (15.58ft),  Kilometerpoint: 0.000,  Lanes on structure: 5,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 40.2m (131.9ft)

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Structure Number: 280013700102,  Location: 3 MI SOUTH OF DERRY TL (Lat: 42.809136,  Lng: -71.272594),  Route carried "under" structure: State highway 111,  Year Built: 2014,  Structure Length: 0. m,  Average Daily Traffic: 21,000 (year 2010),  Truck Traffic: 1%,  Features Intersected: NH111,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 7.70m (25.26ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 70.1m (230.0ft)

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Structure Number: 280013900102,  Location: 0.2 EAST OF WYMAN ROAD (Lat: 42.809075,  Lng: -71.271847),  Route carried "under" structure: State highway ,  Year Built: 2011,  Structure Length: 0. m,  Average Daily Traffic: 21,000 (year 2010),  Truck Traffic: 1%,  Features Intersected: NH111,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 9.63m (31.59ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 70.1m (230.0ft)

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Structure Number: 280016100114,  Location: 0.5MI EAST NH 28 (Lat: 42.814561,  Lng: -71.246539),  Route carried "under" structure: Alternate City street ,  Year Built: 2007,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2019),  Truck Traffic: 1%,  Features Intersected: HARRIS RD,FLATROCK BK,  Facility Carried by Structure: NH111
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 49.1m (161.1ft)

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