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Bridge Statistics for Lisbon, Connecticut (CT)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 13Number of bridges
  • 135ft / 40.8mTotal length
  • 194,074Total average daily traffic
  • 20,004Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Lisbon
  • No street view available for this location

New bridges in Lisbon, CT - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 21930-1939
  • 81950-1959
  • 21960-1969
Reconstructed bridges in Lisbon, CT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 31980-1989
  • 21990-1999
Average Bridge Daily Traffic in Lisbon, CT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 14.3%Good
  • 71.4%Satisfactory
  • 14.3%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 14.3%Good
  • 57.1%Satisfactory
  • 28.6%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 28.6%Good
  • 57.1%Satisfactory
  • 14.3%Fair
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Structure Number: 282,  Location: .5 MI SOUTH OF ROUTE 169 (Lat: 41.587028,  Lng: -72.030378),  Route carried "on" structure: City street ,  Year Built: 1958,  Status: Open,  Structure Length: 5.05m (16.57ft),  Average Daily Traffic: 1,070 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 1,590 (year 2041),  Design Load: HS 20,  Features Intersected: INTERSTATE-395,  Facility Carried by Structure: PRESTON ALLEN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.966,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 46.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 283,  Location: 1.4 MI NORTH OF ROUTE 97 (Lat: 41.589169,  Lng: -72.021878),  Route carried "on" structure: Interstate 395,  Year Built: 1958,  Year Reconstructed: 1986,  Status: Open,  Structure Length: 5.40m (17.72ft),  Average Daily Traffic: 39,000 (year 2017),  Truck Traffic: 9%,  Average Future Daily Traffic: 57,950 (year 2037),  Design Load: HS 20,  Features Intersected: ROUTE 169
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.430,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 34 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 23.1m (75.8ft),  Out-to-Out Width: 31.6m (103.7ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 70.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 54.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 284,  Location: 0.2 MI NORTH OF RTE 169 (Lat: 41.589831,  Lng: -72.019031),  Route carried "on" structure: City street ,  Year Built: 1958,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 5.03m (16.50ft),  Average Daily Traffic: 459 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 682 (year 2041),  Design Load: HS 20,  Features Intersected: INTERSTATE-395,  Facility Carried by Structure: MELL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.704,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 52.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 40.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 285,  Location: 2.4 MI NORTH OF ROUTE 169 (Lat: 41.589086,  Lng: -71.990983),  Route carried "on" structure: Interstate 395,  Year Built: 1958,  Year Reconstructed: 1996,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 38,000 (year 2017),  Truck Traffic: 9%,  Average Future Daily Traffic: 56,464 (year 2037),  Design Load: HS 20,  Features Intersected: ROUTE 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.054,  Lanes on structure: 5,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 30 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-To-Curb Width: 26.8m (87.9ft),  Out-to-Out Width: 35.3m (115.8ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 43.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 33.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  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: 663,  Location: NORWICH-LISBON TOWN LINE (Lat: 41.558097,  Lng: -72.045250),  Route carried "on" structure: State highway 12,  Year Built: 1939,  Year Reconstructed: 1988,  Status: Open,  Structure Length: 8.37m (27.46ft),  Average Daily Traffic: 5,600 (year 2017),  Truck Traffic: 5%,  Average Future Daily Traffic: 8,321 (year 2037),  Design Load: H 20,  Features Intersected: SHETUCKET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.848,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.5m (31.2ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.3m (106.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 0.0m,  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 12.1m (39.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 51.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 4022,  Location: 1 MILE NORTH OF ROUTE 138 (Lat: 41.620172,  Lng: -71.989306),  Route carried "on" structure: City street ,  Year Built: 1963,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 445 (year 2019),  Truck Traffic: 7%,  Average Future Daily Traffic: 661 (year 2039),  Features Intersected: PROV & WORC RAILROAD,  Facility Carried by Structure: ROSS HILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.451,  Lanes on structure: 2,  Maintenance Responsibility: Local Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 42.6 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2019,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 5643,  Location: .1 MI NORTH OF ROUTE 138 (Lat: 41.602144,  Lng: -71.987125),  Route carried "on" structure: State highway 12,  Year Built: 1930,  Year Reconstructed: 1987,  Status: Open,  Structure Length: 11.58m (37.99ft),  Average Daily Traffic: 8,200 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 12,184 (year 2040),  Design Load: HS 20,  Features Intersected: QUINEBAUG RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.072,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 47.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  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: 282,  Location: .5 MI SOUTH OF ROUTE 169 (Lat: 41.587028,  Lng: -72.030378),  Route carried "under" structure: Interstate 395,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 42,800 (year 2017),  Truck Traffic: 14%,  Features Intersected: INTERSTATE-395,  Facility Carried by Structure: PRESTON ALLEN ROAD
Minimum Vertical Clearance: 6.58m (21.59ft),  Kilometerpoint: 30.706,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.4m (80.1ft)

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Structure Number: 283,  Location: 1.4 MI NORTH OF ROUTE 97 (Lat: 41.589169,  Lng: -72.021878),  Route carried "under" structure: State highway 169,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 3,400 (year 2017),  Truck Traffic: 5%,  Features Intersected: ROUTE 169,  Facility Carried by Structure: INTERSTATE-395
Minimum Vertical Clearance: 4.70m (15.42ft),  Kilometerpoint: 8.626,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.3m (69.9ft)

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Structure Number: 284,  Location: 0.2 MI NORTH OF RTE 169 (Lat: 41.589831,  Lng: -72.019031),  Route carried "under" structure: Interstate 395,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 37,900 (year 2020),  Truck Traffic: 14%,  Features Intersected: INTERSTATE-395,  Facility Carried by Structure: MELL ROAD
Minimum Vertical Clearance: 6.63m (21.75ft),  Kilometerpoint: 31.704,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.4m (80.1ft)

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Structure Number: 285,  Location: 2.4 MI NORTH OF ROUTE 169 (Lat: 41.589086,  Lng: -71.990983),  Route carried "under" structure: State highway 12,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 10,500 (year 2017),  Truck Traffic: 6%,  Features Intersected: ROUTE 12,  Facility Carried by Structure: INTERSTATE-395
Minimum Vertical Clearance: 4.85m (15.91ft),  Kilometerpoint: 31.575,  Lanes on structure: 5,  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: 1352,  Location: 1 MILE WEST OF ROUTE 12 (Lat: 41.605825,  Lng: -72.003361),  Route carried "under" structure: State highway 138,  Year Built: 1920,  Structure Length: 0. m,  Average Daily Traffic: 2,600 (year 2020),  Truck Traffic: 1%,  Features Intersected: ROUTE 138,  Facility Carried by Structure: P&W RAILROAD
Minimum Vertical Clearance: 3.89m (12.76ft),  Kilometerpoint: 7.838,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 8.2m (26.9ft)

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Structure Number: 1416,  Location: 2.71 MI NORTH NORWICH TL. (Lat: 41.597236,  Lng: -72.018586),  Route carried "under" structure: State highway 169,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 4,100 (year 2020),  Truck Traffic: 3%,  Features Intersected: ROUTE 169,  Facility Carried by Structure: P&W WLLMNTIC BR
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 9.576,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 13.4m (44.0ft)

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