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


  • National Bridge Inventory (NBI) Statistics
  • 10Number of bridges
  • 174ft / 52.6mTotal length
  • 249,270Total average daily traffic
  • 11,367Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Ansonia
  • No street view available for this location

New bridges in Ansonia, CT - historical statistics
  • New bridges - historical statistics
  • 51950-1959
  • 11970-1979
  • 11990-1999
  • 32000-2009
Reconstructed bridges in Ansonia, CT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 21980-1989
  • 11990-1999
  • 12000-2009
Average Bridge Daily Traffic in Ansonia, CT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 14.3%Very good
  • 42.9%Good
  • 42.9%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 42.9%Good
  • 57.1%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 57.1%Good
  • 42.9%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 50.0%Good
  • 25.0%Satisfactory
  • 25.0%Fair
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Structure Number: 579,  Location: 1.5 MI NORTH OF ROUTE 34 (Lat: 41.339261,  Lng: -73.092311),  Route carried "on" structure: State highway 8,  Year Built: 1956,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 61,000 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 90,640 (year 2038),  Design Load: HS 20,  Features Intersected: DIVISION STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.062,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 32 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 23.2m (76.1ft),  Out-to-Out Width: 25.5m (83.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 70.0 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: 53.8 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: 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 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: 58,  Location: 2.0 MI N OF ROUTE 34 (Lat: 41.345864,  Lng: -73.093711),  Route carried "on" structure: State highway 8,  Year Built: 1957,  Year Reconstructed: 1989,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 63,800 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 94,800 (year 2038),  Design Load: HS 20,  Features Intersected: JACKSON STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.818,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 31 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 23.7m (77.8ft),  Out-to-Out Width: 25.5m (83.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 87.5 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: 67.1 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: 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 582,  Location: 2.9 MI NORTH OF ROUTE 34 (Lat: 41.359300,  Lng: -73.092714),  Route carried "on" structure: State highway 334,  Year Built: 1959,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 6.95m (22.80ft),  Average Daily Traffic: 9,200 (year 2015),  Truck Traffic: 4%,  Average Future Daily Traffic: 13,670 (year 2035),  Design Load: HS 20,  Features Intersected: ROUTE 8
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.908,  Lanes on structure: 3,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 15.0m (49.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 51.5 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: 39.9 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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: 659,  Location: 0.2 MI E OF I-95 (Lat: 41.365881,  Lng: -72.068528),  Route carried "on" structure: State highway 184,  Year Built: 2002,  Status: Open,  Structure Length: 4.85m (15.91ft),  Average Daily Traffic: 18,200 (year 2017),  Truck Traffic: 8%,  Average Future Daily Traffic: 27,043 (year 2037),  Design Load: HS 20,  Features Intersected: ROUTE 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 5,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 30.6m (100.4ft),  Skew: 31 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.7m (84.3ft),  Curb-To-Curb Width: 30.6m (100.4ft),  Out-to-Out Width: 32.2m (105.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 60.9 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: 47.0 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: 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,  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: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1592,  Location: 50 FT WEST OF ROUTE 115 (Lat: 41.344819,  Lng: -73.086967),  Route carried "on" structure: State highway 334,  Year Built: 1958,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 13.44m (44.09ft),  Average Daily Traffic: 8,400 (year 2015),  Truck Traffic: 5%,  Average Future Daily Traffic: 12,482 (year 2035),  Design Load: HL 93,  Features Intersected: NAUGATUCK RIVER & MN RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.936,  Lanes on structure: 2,  Lanes under structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 27.7m (90.9ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 43.1 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: 33.0 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: Meets minimum limits,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Underwater Inspection Date: December 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: 2559,  Location: 0.2 MI NO. OF WINDHAM TL (Lat: 41.731428,  Lng: -72.200453),  Route carried "on" structure: State highway 195,  Year Built: 1973,  Status: Open,  Structure Length: 8.38m (27.49ft),  Average Daily Traffic: 15,400 (year 2017),  Truck Traffic: 6%,  Average Future Daily Traffic: 22,883 (year 2037),  Design Load: HS 20,  Features Intersected: US ROUTE 6
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.931,  Lanes on structure: 4,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.2m (53.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 42.7m (140.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.0m,  Curb-To-Curb Width: 16.2m (53.1ft),  Out-to-Out Width: 18.7m (61.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 35.6 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: 27.5 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: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4183,  Location: 0.1 MI W OF ROUTE 115 (Lat: 41.330806,  Lng: -73.078944),  Route carried "on" structure: State highway 853,  Year Built: 2004,  Status: Open,  Structure Length: 13.96m (45.80ft),  Average Daily Traffic: 15,200 (year 2015),  Truck Traffic: 5%,  Average Future Daily Traffic: 22,586 (year 2035),  Design Load: HS 20,  Features Intersected: NAUGATUCK RIVER,S DIV ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.402,  Lanes on structure: 4,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 79.2m (259.8ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 0.0m,  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 19.9m (65.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 40.8 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: 31.4 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 5516,  Location: 0.7 MI N OF ROUTE 243 (Lat: 41.342150,  Lng: -73.072503),  Route carried "on" structure: City street ,  Year Built: 2001,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 2,200 (year 2012),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,269 (year 2032),  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: JEWETT STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.078,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Channel: Fair,  Culverts: Good,  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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 657,  Location: 2000' EAST OF RTE. 115 (Lat: 41.344256,  Lng: -73.071147),  Route carried "on" structure: City street ,  Year Built: 1999,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 570 (year 2012),  Truck Traffic: 1%,  Average Future Daily Traffic: 847 (year 2032),  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: ORCHARD STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Channel: Satisfactory,  Culverts: Good,  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: 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,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 582,  Location: 2.9 MI NORTH OF ROUTE 34 (Lat: 41.359300,  Lng: -73.092714),  Route carried "under" structure: State highway 8,  Year Built: 1959,  Structure Length: 0. m,  Average Daily Traffic: 55,300 (year 2018),  Truck Traffic: 2%,  Features Intersected: ROUTE 8,  Facility Carried by Structure: ROUTE 334
Minimum Vertical Clearance: 5.33m (17.49ft),  Kilometerpoint: 25.379,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.0m (68.9ft)

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