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


  • National Bridge Inventory (NBI) Statistics
  • 17Number of bridges
  • 233ft / 71.2mTotal length
  • $4,000,000Total costs
  • 533,008Total average daily traffic
  • 37,010Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Derby
  • No street view available for this location

New bridges in Derby, CT - historical statistics
  • New bridges - historical statistics
  • 11910-1919
  • 141950-1959
  • 11990-1999
  • 12000-2009
Reconstructed bridges in Derby, CT - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 21980-1989
  • 31990-1999
  • 12000-2009
  • 12010-2019
Average Bridge Daily Traffic in Derby, CT
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 33.3%Good
  • 33.3%Satisfactory
  • 33.3%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 30.0%Good
  • 60.0%Satisfactory
  • 10.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 40.0%Good
  • 60.0%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 25.0%Good
  • 50.0%Satisfactory
  • 25.0%Fair
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Structure Number: 572,  Location: AT EXIT 15 (Lat: 41.317431,  Lng: -73.084686),  Route carried "on" structure: State highway 8,  Year Built: 1950,  Year Reconstructed: 1988,  Status: Open,  Structure Length: 4.08m (13.39ft),  Average Daily Traffic: 74,000 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 109,957 (year 2038),  Design Load: HS 20,  Features Intersected: HOUSATONIC RAILROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.374,  Lanes on structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 34.1m (111.9ft),  Skew: 31 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.2m (63.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 34.1m (111.9ft),  Out-to-Out Width: 37.7m (123.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 86.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: May 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: 573A,  Location: ROUTE 8, EXIT 15 (Lat: 41.319697,  Lng: -73.084236),  Route carried "on" structure: State highway 8,  Year Built: 1951,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 11.64m (38.19ft),  Average Daily Traffic: 73,300 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 108,916 (year 2038),  Design Load: HS 20,  Features Intersected: ROUTE 34 & RR Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.616,  Lanes on structure: 6,  Lanes under structure: 9,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.9m (98.1ft),  Skew: 30 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 57.9m (190.0ft),  Curb-To-Curb Width: 29.9m (98.1ft),  Out-to-Out Width: 32.6m (107.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 66.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 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: 573B,  Location: ROUTE 8, EXIT 15 (Lat: 41.319786,  Lng: -73.083758),  Route carried "on" structure: Ramp State highway 8,  Year Built: 1996,  Status: Open,  Structure Length: 12.83m (42.09ft),  Average Daily Traffic: 8,500 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 12,630 (year 2038),  Design Load: HS 20,  Features Intersected: METRO-NORTH & RR DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.889,  Lanes on structure: 1,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 64.9m (212.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 66.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 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: 576,  Location: 0.9 MI N OF ROUTE 34 (Lat: 41.330269,  Lng: -73.089342),  Route carried "on" structure: City street ,  Year Built: 1952,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 4.11m (13.48ft),  Average Daily Traffic: 9,096 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 13,516 (year 2040),  Design Load: HS 20,  Features Intersected: ROUTE 8,  Facility Carried by Structure: SEYMOUR AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.644,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.2m (63.0ft),  Curb or Sidewalk Widths: Left: 2.8m (9.2ft),  Right: 2.8m (9.2ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 17.9m (58.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 70.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: 577,  Location: 0.9 MILES NORTH ROUTE 34 (Lat: 41.331119,  Lng: -73.090617),  Route carried "on" structure: City street ,  Year Built: 1952,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 5.64m (18.50ft),  Average Daily Traffic: 3,297 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 4,899 (year 2039),  Design Load: HS 20,  Features Intersected: ROUTE 8,  Facility Carried by Structure: HAWKINS STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 2,  Lanes under structure: 5,  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: 2,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 64.2 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: 49.6 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: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum 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: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 578,  Location: 1.3 MI N OF ROUTE 34 (Lat: 41.336519,  Lng: -73.092231),  Route carried "on" structure: City street ,  Year Built: 1959,  Status: Open,  Structure Length: 3.57m (11.71ft),  Average Daily Traffic: 473 (year 2019),  Truck Traffic: 4%,  Average Future Daily Traffic: 703 (year 2039),  Design Load: HS 20,  Features Intersected: ROUTE 8,  Facility Carried by Structure: BLUFF STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 17.1m (56.1ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.0m (49.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 42.4 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: 32.7 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: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 946,  Location: 0.1 MI E OF ROUTE 8 (Lat: 41.319239,  Lng: -73.083419),  Route carried "on" structure: State highway 34,  Year Built: 1951,  Year Reconstructed: 1996,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 42,200 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 62,705 (year 2038),  Design Load: HS 20,  Features Intersected: METRO NORTH RAILROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.724,  Lanes on structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 22 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.5m (41.0ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 0.0m,  Curb-To-Curb Width: 23.3m (76.4ft),  Out-to-Out Width: 28.7m (94.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Inventory Rating: 81.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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: 947,  Location: 0.1 MI E OF ROUTE 8 (Lat: 41.318911,  Lng: -73.082047),  Route carried "on" structure: State highway 34,  Year Built: 1959,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 10.05m (32.97ft),  Average Daily Traffic: 42,300 (year 2015),  Truck Traffic: 6%,  Average Future Daily Traffic: 62,854 (year 2035),  Design Load: HS 20,  Features Intersected: NAUGATUCK RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.804,  Lanes on structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 22 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.6m (107.0ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 0.0m,  Curb-To-Curb Width: 23.8m (78.1ft),  Out-to-Out Width: 28.1m (92.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 52.8 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: 40.8 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other
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Structure Number: 1659,  Location: 0.13 MI EAST OF RTE 110 (Lat: 41.319153,  Lng: -73.091133),  Route carried "on" structure: State highway 712,  Year Built: 1918,  Status: Open,  Structure Length: 14.20m (46.59ft),  Average Daily Traffic: 13,000 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 19,317 (year 2038),  Features Intersected: HOUSATONIC RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 28.7m (94.2ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 13.0m (42.7ft),  Out-to-Out Width: 20.2m (66.3ft)

Condition: Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Underwater Inspection Date: Febuary 2020,  Total Project Cost: $4,000,000 ( Estimate for 2016)
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Structure Number: 6062,  Location: 0.8 MI W OF ROUTE 8 (Lat: 41.324461,  Lng: -73.096800),  Route carried "on" structure: State highway 34,  Year Built: 1952,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 13,100 (year 2015),  Truck Traffic: 4%,  Average Future Daily Traffic: 19,465 (year 2035),  Features Intersected: DERBY CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.388,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 5.2m (17.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 80.4 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: 61.9 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Underwater Inspection Date: November 2021
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Structure Number: 6063,  Location: 25' WEST OF ROUTE 34 (Lat: 41.325428,  Lng: -73.098772),  Route carried "on" structure: City street ,  Year Built: 2005,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 292 (year 2021),  Truck Traffic: 2%,  Average Future Daily Traffic: 434 (year 2041),  Design Load: HS 20,  Features Intersected: DERBY CANAL,  Facility Carried by Structure: CANAL STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 39.9 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: 30.8 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: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: November 2021,  Underwater 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: 573A,  Location: ROUTE 8, EXIT 15 (Lat: 41.319697,  Lng: -73.084236),  Route carried "under" structure: State highway 34,  Year Built: 1951,  Structure Length: 0. m,  Average Daily Traffic: 42,200 (year 2015),  Truck Traffic: 6%,  Features Intersected: ROUTE 34 & RR Drive,  Facility Carried by Structure: ROUTE 8
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 22.660,  Lanes on structure: 6,  Lanes under structure: 7,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 57.9m (190.0ft)

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Structure Number: 575,  Location: 0.6 MI N OF ROUTE 34 (Lat: 41.327539,  Lng: -73.085942),  Route carried "under" structure: State highway 727,  Year Built: 1951,  Structure Length: 0. m,  Average Daily Traffic: 19,400 (year 2018),  Truck Traffic: 6%,  Features Intersected: SR 727 SB PERSHING DRIVE,  Facility Carried by Structure: ROUTE 8
Minimum Vertical Clearance: 4.83m (15.85ft),  Kilometerpoint: 0.306,  Lanes on structure: 4,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.4m (66.9ft)

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Structure Number: 576,  Location: 0.9 MI N OF ROUTE 34 (Lat: 41.330269,  Lng: -73.089342),  Route carried "under" structure: State highway 8,  Year Built: 1952,  Structure Length: 0. m,  Average Daily Traffic: 62,600 (year 2018),  Truck Traffic: 8%,  Features Intersected: ROUTE 8,  Facility Carried by Structure: SEYMOUR AVENUE
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 22.016,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.2m (63.0ft)

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Structure Number: 577,  Location: 0.9 MILES NORTH ROUTE 34 (Lat: 41.331119,  Lng: -73.090617),  Route carried "under" structure: Ramp State highway 8,  Year Built: 1952,  Structure Length: 0. m,  Average Daily Traffic: 1,650 (year 2016),  Truck Traffic: 8%,  Features Intersected: ROUTE 8,  Facility Carried by Structure: HAWKINS STREET
Minimum Vertical Clearance: 4.95m (16.24ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 577,  Location: 0.9 MILES NORTH ROUTE 34 (Lat: 41.331119,  Lng: -73.090617),  Route carried "under" structure: State highway 8,  Year Built: 1952,  Structure Length: 0. m,  Average Daily Traffic: 62,600 (year 2018),  Truck Traffic: 8%,  Features Intersected: ROUTE 8,  Facility Carried by Structure: HAWKINS STREET
Minimum Vertical Clearance: 5.21m (17.09ft),  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.4m (89.9ft)

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Structure Number: 578,  Location: 1.3 MI N OF ROUTE 34 (Lat: 41.336519,  Lng: -73.092231),  Route carried "under" structure: State highway 8,  Year Built: 1959,  Structure Length: 0. m,  Average Daily Traffic: 65,000 (year 2018),  Truck Traffic: 8%,  Features Intersected: ROUTE 8,  Facility Carried by Structure: BLUFF STREET
Minimum Vertical Clearance: 5.39m (17.68ft),  Kilometerpoint: 22.772,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.1m (56.1ft)

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