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


  • National Bridge Inventory (NBI) Statistics
  • 10Number of bridges
  • 36ft / 10.8mTotal length
  • 81,792Total average daily traffic
  • 6,381Total average daily truck traffic
  • 121,534Total future (year 2035) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Killingworth
  • No street view available for this location

New bridges in Killingworth, CT - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 11950-1959
  • 11960-1969
  • 11980-1989
  • 11990-1999
  • 22000-2009
  • 22010-2019
Average Bridge Daily Traffic in Killingworth, CT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 71.4%Good
  • 28.6%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 57.1%Good
  • 42.9%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 57.1%Good
  • 42.9%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 11.1%Very good
  • 66.7%Good
  • 22.2%Satisfactory
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Structure Number: 268,  Location: 0.8 MI S OF ROUTE 82 (Lat: 41.498275,  Lng: -72.115708),  Route carried "on" structure: Interstate 395,  Year Built: 1958,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 62,600 (year 2017),  Truck Traffic: 9%,  Average Future Daily Traffic: 93,017 (year 2037),  Design Load: HS 20,  Features Intersected: LEFFINGWELL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.512,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.9m (98.1ft),  Skew: 23 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 23.2m (76.1ft),  Out-to-Out Width: 31.6m (103.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 54.1 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: 41.8 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: High priority of corrective action,  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: Preformed Fabric
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Structure Number: 1133,  Location: 1.3 MI W OF ROUTE 81 (Lat: 41.365047,  Lng: -72.587275),  Route carried "on" structure: State highway 80,  Year Built: 1935,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 5,100 (year 2016),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,578 (year 2036),  Design Load: H 20,  Features Intersected: CHATFIELD HOLLOW BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.134,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 56.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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 2020,  Underwater Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 2486,  Location: 0.1 MI S OF ROUTE 148 (Lat: 41.435078,  Lng: -72.650925),  Route carried "on" structure: State highway 79,  Year Built: 2015,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 7,500 (year 2016),  Truck Traffic: 4%,  Average Future Daily Traffic: 11,144 (year 2036),  Design Load: HL 93,  Features Intersected: HAMMONASSET BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.813,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 6.7m (22.0ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 56.4 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: 43.4 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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 268,  Location: 0.2 MI E OF ROUTE 79 (Lat: 41.436333,  Lng: -72.646583),  Route carried "on" structure: State highway 148,  Year Built: 2015,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 1,600 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,377 (year 2039),  Design Load: HL 93,  Features Intersected: BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.386,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.9m (35.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 61.9 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: 47.6 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4712,  Location: 500FT W OF PAPER MILL RD (Lat: 41.331278,  Lng: -72.595200),  Route carried "on" structure: City street ,  Year Built: 1960,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 350 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 520 (year 2041),  Design Load: HS 20,  Features Intersected: DEER LAKE BROOK,  Facility Carried by Structure: RIVER ROAD NO. 1
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.628,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.2m (63.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4716,  Location: 0.4 MI N. OF ROUTE 80 (Lat: 41.362808,  Lng: -72.543233),  Route carried "on" structure: City street ,  Year Built: 2009,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 300 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 446 (year 2041),  Design Load: HS 20,  Features Intersected: MENUNKETESUCK RIVER,  Facility Carried by Structure: RESERVOIR ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.692,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 76.8 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: 59.3 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: 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 5269,  Location: 1.3.MI E. OF ROUTE 81 (Lat: 41.356836,  Lng: -72.541447),  Route carried "on" structure: State highway 80,  Year Built: 1983,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 3,600 (year 2015),  Truck Traffic: 3%,  Average Future Daily Traffic: 5,349 (year 2035),  Design Load: HS 20,  Features Intersected: MENUNKETESUCK RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.270,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 82.6 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: 63.5 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: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019
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Structure Number: 6307,  Location: 0.5 MI N OF PARK ENTRANC (Lat: 41.371908,  Lng: -72.592206),  Route carried "on" structure: State lands road ,  Year Built: 2002,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 300 (year 2021),  Truck Traffic: 1%,  Average Future Daily Traffic: 446 (year 2041),  Design Load: HS 20,  Features Intersected: CHATFIELD HOLLOW BROOK,  Facility Carried by Structure: CHATFIELD HOLLOW R
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 2,  Owner: State Park, Forest, or Reservation 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: 4.0m (13.1ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 53.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6311,  Location: 0.3 MI N OF MAIN ENTRANCE (Lat: 41.368156,  Lng: -72.589111),  Route carried "on" structure: State lands road ,  Year Built: 1934,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 325 (year 2021),  Truck Traffic: 1%,  Average Future Daily Traffic: 483 (year 2041),  Design Load: HS 20,  Features Intersected: CHATFIELD HOLLOW BROOK,  Facility Carried by Structure: CHATFIELD HOLLOW R
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.207,  Lanes on structure: 1,  Owner: State Park, Forest, or Reservation Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb or Sidewalk Widths: Left: 1.4m (4.6ft),  Right: 0.0m,  Curb-To-Curb Width: 3.7m (12.1ft),  Out-to-Out Width: 6.3m (20.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 75.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 55.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Other
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Structure Number: 6614,  Location: 0.1 MI W OF ROUTE 148 (Lat: 41.382825,  Lng: -72.588803),  Route carried "on" structure: City street ,  Year Built: 1998,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 117 (year 2021),  Truck Traffic: 1%,  Average Future Daily Traffic: 174 (year 2041),  Design Load: HS 20,  Features Intersected: POND MEADOW BROOK,  Facility Carried by Structure: ABNER LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.448,  Lanes on structure: 1,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Skew: 3 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 4.6m (15.1ft),  Out-to-Out Width: 5.2m (17.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 89.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 64.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber,  Deck Protection: Other
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