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


  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 217ft / 65.5mTotal length
  • $53,414,000Total costs
  • 199,075Total average daily traffic
  • 17,335Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Northfield
  • No street view available for this location

New bridges in Northfield, NH - historical statistics
  • New bridges - historical statistics
  • 61950-1959
  • 91960-1969
  • 11980-1989
  • 11990-1999
  • 12010-2019
Reconstructed bridges in Northfield, NH - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 71980-1989
  • 11990-1999
  • 02000-2009
  • 22010-2019
Average Bridge Daily Traffic in Northfield, NH
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 33.3%Very good
  • 58.3%Good
  • 8.3%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 16.7%Very good
  • 83.3%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 16.7%Very good
  • 83.3%Good
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 30.0%Very good
  • 50.0%Good
  • 20.0%Satisfactory
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 20.0%Very good
  • 80.0%Good
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Structure Number: 196008100063,  Location: 0.5MI FROM CANTERBURY T.L (Lat: 43.381597,  Lng: -71.607911),  Route carried "on" structure: State highway 3B,  Year Built: 1959,  Year Reconstructed: 1993,  Status: Open,  Structure Length: 10.09m (33.10ft),  Average Daily Traffic: 872 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,290 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: I-93,  Facility Carried by Structure: NH132
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.449,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 24.7m (81.0ft),  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: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 59.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 10.09m (33.10ft),  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,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 196008700133,  Location: 190 FT FR ZOIN HILL RD (Lat: 43.433003,  Lng: -71.601200),  Route carried "on" structure: Other road ,  Year Built: 1985,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 2,206 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,264 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: WILLIAMS BROOK,  Facility Carried by Structure: SARGENT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.542,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 54.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.37m (4.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 196009400131,  Location: 0.10 MI FR SARGENT ST (Lat: 43.425247,  Lng: -71.593778),  Route carried "on" structure: Other road ,  Year Built: 1960,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 608 (year 2020),  Average Future Daily Traffic: 899 (year 2042),  Design Load: HS 20,  Features Intersected: WILLIAMS BROOK,  Facility Carried by Structure: FOREST ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.357,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 54.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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: 0.70m (2.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022)
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Structure Number: 196009500114,  Location: 2.5MI S. TILTON TL (Lat: 43.420936,  Lng: -71.592533),  Route carried "on" structure: Interstate 93,  Year Built: 1959,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 5.64m (18.50ft),  Average Daily Traffic: 15,673 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 23,196 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH132
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 124.743,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 5 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.64m (18.50ft),  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,  Membrane: Other
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Structure Number: 196009600114,  Location: 2.5MI S. TILTON T.L. (Lat: 43.421356,  Lng: -71.591811),  Route carried "on" structure: Interstate 93,  Year Built: 1959,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 5.03m (16.50ft),  Average Daily Traffic: 15,972 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 23,638 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH132
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 87.294,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.1m (65.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 62.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.03m (16.50ft),  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,  Membrane: Other
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Structure Number: 196009700147,  Location: NORTHFIELD-TILTON TL (Lat: 43.442981,  Lng: -71.591983),  Route carried "on" structure: State highway 132,  Year Built: 1960,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 2.90m (9.51ft),  Average Daily Traffic: 4,499 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 6,658 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: WINNIPESAUKEE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.830,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 14.3m (46.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 71.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.90m (9.51ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2021,  Underwater Inspection Date: August 2017,  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: 196009800131,  Location: 0.8 MI TILTON TL (Lat: 43.431000,  Lng: -71.589336),  Route carried "on" structure: State highway 132,  Year Built: 1960,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 6,471 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,577 (year 2042),  Design Load: HS 20,  Features Intersected: WILLIAMS BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.383,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.64m (2.10ft),  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)
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Structure Number: 19600990013,  Location: 1.7MI S OF TILTON TL (Lat: 43.430158,  Lng: -71.588817),  Route carried "on" structure: Interstate 93,  Year Built: 1959,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 13,701 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,277 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH132
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 123.676,  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 continuous,  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: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 52.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.39m (14.40ft),  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,  Membrane: Other
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Structure Number: 196009900131,  Location: 4.19MI CANTERBURY TL (Lat: 43.430842,  Lng: -71.588128),  Route carried "on" structure: Interstate 93,  Year Built: 1960,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 27,520 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 40,729 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: WILLIAMS BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 88.395,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 20 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 89.8 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: 0.70m (2.30ft),  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: 19601000013,  Location: 1.7MI S TILTON TL (Lat: 43.429844,  Lng: -71.588478),  Route carried "on" structure: Interstate 93,  Year Built: 1959,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 13,819 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,452 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH132
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 88.285,  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 continuous,  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: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 51.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.39m (14.40ft),  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,  Membrane: Other
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Structure Number: 196010800141,  Location: 1.7MI S. TILTON T.L. (Lat: 43.438381,  Lng: -71.581092),  Route carried "on" structure: Interstate 93,  Year Built: 1960,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 3.08m (10.10ft),  Average Daily Traffic: 13,701 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,277 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: BAY STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 122.560,  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: 11.3m (37.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.08m (10.10ft),  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,  Membrane: Other
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Structure Number: 19601090014,  Location: 1.7 MI S. TILTON TL (Lat: 43.438208,  Lng: -71.580647),  Route carried "on" structure: Interstate 93,  Year Built: 1960,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 3.08m (10.10ft),  Average Daily Traffic: 13,819 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,452 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: BAY STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 89.418,  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: 11.3m (37.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.08m (10.10ft),  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,  Membrane: Other
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Structure Number: 196011700157,  Location: TILTON TL (Lat: 43.451747,  Lng: -71.570478),  Route carried "on" structure: Interstate 93,  Year Built: 1960,  Year Reconstructed: 2019,  Status: Open,  Structure Length: 10.42m (34.19ft),  Average Daily Traffic: 13,701 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,277 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NHRR,WINNIPESAUKEE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 120.810,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.6m (84.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 14.2m (46.6ft),  Out-to-Out Width: 15.4m (50.5ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 89.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 68.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.42m (34.19ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2021,  Underwater Inspection Date: August 2017,  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
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Structure Number: 196011800158,  Location: TILTON TL (Lat: 43.452022,  Lng: -71.570119),  Route carried "on" structure: Interstate 93,  Year Built: 1960,  Year Reconstructed: 2019,  Status: Open,  Structure Length: 10.15m (33.30ft),  Average Daily Traffic: 13,819 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 20,452 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NHRR,WINNIPESAUKEE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 91.216,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.0m (82.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 84.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 65.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.15m (33.30ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2021,  Underwater Inspection Date: August 2017,  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
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Structure Number: 196013000154,  Location: Adjacent to jct NH140 (Lat: 43.450403,  Lng: -71.560603),  Route carried "on" structure: Other road ,  Year Built: 2019,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 1,098 (year 2020),  Average Future Daily Traffic: 1,625 (year 2042),  Design Load: HL 93,  Features Intersected: BROOK,  Facility Carried by Structure: SHAKER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.050,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 69.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 53.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.04m (3.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 19601520015,  Location: 0.1 MI W BELMONT TL (Lat: 43.445725,  Lng: -71.537522),  Route carried "on" structure: State highway 140,  Year Built: 1968,  Status: Open,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 8,515 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 12,602 (year 2042),  Design Load: HS 20,  Features Intersected: TIOGA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.709,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.1 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: 1.25m (4.10ft),  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)
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Structure Number: 196017300134,  Location: 40 FT FR BELMONT TL (Lat: 43.435475,  Lng: -71.516775),  Route carried "on" structure: Other road ,  Year Built: 1998,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 81 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 119 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: WHICHIER BROOK,  Facility Carried by Structure: TWIN BRIDGE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.570,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 68.1 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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.67m (2.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022)
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Structure Number: 196008100063,  Location: 0.5MI FROM CANTERBURY T.L (Lat: 43.381597,  Lng: -71.607911),  Route carried "under" structure: Interstate 93,  Year Built: 1959,  Structure Length: 0. m,  Average Daily Traffic: 33,000 (year 2011),  Truck Traffic: 9%,  Features Intersected: I-93,  Facility Carried by Structure: NH132
Minimum Vertical Clearance: 5.00m (16.40ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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