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


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 95ft / 29.0mTotal length
  • $47,130,000Total costs
  • 42,526Total average daily traffic
  • 2,064Total average daily truck traffic
  • 62,930Total future (year 2042) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Wilton
  • No street view available for this location

New bridges in Wilton, NH - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 11910-1919
  • 41920-1929
  • 11930-1939
  • 11950-1959
  • 21970-1979
  • 21990-1999
  • 22000-2009
  • 12020-2022
Reconstructed bridges in Wilton, NH - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 11970-1979
  • 11980-1989
  • 01990-1999
  • 32000-2009
Average Bridge Daily Traffic in Wilton, NH
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 7.7%Excellent
  • 23.1%Very good
  • 38.5%Good
  • 23.1%Satisfactory
  • 7.7%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 7.7%Excellent
  • 15.4%Very good
  • 46.2%Good
  • 15.4%Satisfactory
  • 7.7%Fair
  • 7.7%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 7.7%Excellent
  • 61.5%Good
  • 15.4%Satisfactory
  • 7.7%Fair
  • 7.7%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 13.3%Excellent
  • 13.3%Very good
  • 66.7%Good
  • 6.7%Satisfactory
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Structure Number: 172005200135,  Location: 200' W OF ELM ST (NH101) (Lat: 42.841356,  Lng: -71.720550),  Route carried "on" structure: Other road ,  Year Built: 1917,  Year Reconstructed: 1952,  Status: Open,  Structure Length: 4.63m (15.19ft),  Average Daily Traffic: 5,854 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 8,663 (year 2042),  Design Load: H 15,  Features Intersected: SOUHEGAN RIVER,  Facility Carried by Structure: WILTON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.602,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.1m (23.3ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 32.9 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 21.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.63m (15.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 17200670014,  Location: 300 FT. JCT 101 (Lat: 42.843053,  Lng: -71.703631),  Route carried "on" structure: State highway ,  Year Built: 1992,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 5,839 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 8,641 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: SOUHEGAN RIVER,  Facility Carried by Structure: NORTH RIVER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.097,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 21 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 63.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.9 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: 4.75m (15.58ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  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: 172007300154,  Location: 0.2 MI FR LYNDEBOROUGH T (Lat: 42.853392,  Lng: -71.697406),  Route carried "on" structure: Other road ,  Year Built: 1970,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,695 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,508 (year 2042),  Features Intersected: PURGATORY BROOK,  Facility Carried by Structure: PURGATORY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.109,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Good,  Culverts: 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.70m (2.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  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: 277007600144,  Location: TOWN RD (Lat: 42.855267,  Lng: -71.791553),  Route carried "on" structure: Other road ,  Year Built: 2002,  Status: Open,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 247 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 365 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: MILL BROOK,  Facility Carried by Structure: BURTON HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.214,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 5 degrees,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 63.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 42.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.95m (6.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other
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Structure Number: 277008000145,  Location: 1.2Mi.Fr.Issac Frye Hwy. (Lat: 42.856594,  Lng: -71.788233),  Route carried "on" structure: Other road ,  Year Built: 1920,  Year Reconstructed: 2014,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 28 (year 2020),  Average Future Daily Traffic: 41 (year 2042),  Design Load: HL 93,  Features Intersected: BURTON POND OUTLET,  Facility Carried by Structure: FRYE MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.087,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 4.0m (13.1ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 4.2m (13.8ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Poor,  Channel: Good,  Operating Rating: 67.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 51.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.85m (2.79ft),  Designated Inspection Frequency: Every 16 months,  Inspection Date: November 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,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 277008300143,  Location: TOWN RD (Lat: 42.855625,  Lng: -71.784933),  Route carried "on" structure: Other road ,  Year Built: 1920,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 81 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 119 (year 2042),  Features Intersected: BURTON POND OUTLET,  Facility Carried by Structure: BURTON HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.774,  Lanes on structure: 2,  Owner: City or Municipal 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: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 5.6m (18.4ft),  Out-to-Out Width: 5.8m (19.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: 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: July 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 277008600142,  Location: TOWN RD (Lat: 42.855853,  Lng: -71.782567),  Route carried "on" structure: Other road ,  Year Built: 2021,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 81 (year 2020),  Average Future Daily Traffic: 119 (year 2042),  Design Load: HL 93,  Features Intersected: BURTON POND OUTLET,  Facility Carried by Structure: STAGE COACH ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.645,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.9m (19.4ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Good,  Operating Rating: 51.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 39.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Superior 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: November 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,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 277009300103,  Location: ADJACENT TO 101 (Lat: 42.828128,  Lng: -71.776267),  Route carried "on" structure: Other road ,  Year Built: 2003,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 81 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 119 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: BLOOD BROOK,  Facility Carried by Structure: RUSSELL HILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.514,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 77.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 58.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.43m (4.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 277009400162,  Location: 0.1 MI FM LYNDEBOROUGH TL (Lat: 42.868089,  Lng: -71.774539),  Route carried "on" structure: State highway 31,  Year Built: 1929,  Year Reconstructed: 1983,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 3,051 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 4,515 (year 2042),  Design Load: H 15,  Features Intersected: STONY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.004,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Good,  Channel: Good,  Operating Rating: 61.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: 0.70m (2.30ft),  Designated Inspection Frequency: Every 8 months,  Inspection Date: November 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: 277010200095,  Location: 0.2 MI FROM JCT RTE 101 (Lat: 42.822083,  Lng: -71.767033),  Route carried "on" structure: State highway 31,  Year Built: 1937,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 4,049 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,992 (year 2042),  Design Load: H 15,  Features Intersected: BLOOD BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.727,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 1.40m (4.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  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: Integral Concrete
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Structure Number: 277010700141,  Location: 1.5 MI FM LYNDEBOROUGH TL (Lat: 42.853531,  Lng: -71.762322),  Route carried "on" structure: State highway 31,  Year Built: 1928,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 3,549 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,252 (year 2042),  Design Load: H 15,  Features Intersected: STONY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.049,  Lanes on structure: 2,  Owner: State 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: 7.0m (23.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 58.0 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,  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: April 2020,  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: 277011000096,  Location: .14 MI SE JCT 31 (Lat: 42.821850,  Lng: -71.760394),  Route carried "on" structure: State highway ,  Year Built: 1993,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 817 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,209 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: SOUHEGAN RIVER,  Facility Carried by Structure: ISAAC FRYE HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.367,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.0m (118.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 68.2 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.81m (12.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  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: 277011900116,  Location: 1.4 MI FROM MILFORD TL (Lat: 42.834153,  Lng: -71.751006),  Route carried "on" structure: State highway 101,  Year Built: 1954,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 12,530 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 18,544 (year 2042),  Design Load: H 20,  Features Intersected: SOUHEGAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.943,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.4m (37.4ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.7m (67.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 90.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 63.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.07m (6.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  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: 277012900126,  Location: 0.1 MI. FROM JCT. NH 101 (Lat: 42.843942,  Lng: -71.739522),  Route carried "on" structure: State highway 31,  Year Built: 1971,  Year Reconstructed: 2014,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 2,107 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,118 (year 2042),  Design Load: HS 20,  Features Intersected: SOUHEGAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.635,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 75.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 2.41m (7.91ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  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: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 277013200127,  Location: 0.4 MI FROM JCT RTE 101 (Lat: 42.844539,  Lng: -71.738861),  Route carried "on" structure: State highway 31,  Year Built: 1905,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 2,517 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,725 (year 2042),  Features Intersected: STONY BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.755,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 32.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 19.8 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 1.74m (5.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  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
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