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Nearby Bridges in NBI 2021: 2


RTE I86 over RTE 417: Allegheny River (Route: 86)
Num:1073791x
Open: no restriction [A]
Built: 1988, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 591.6 m = 1941.0 ft
Main Spans: 13 at 54.8 m = 179.8 ft
Approach Spans: 0
Skew: 32
Width, Roadway: 12 m = 39.4 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Allegany [01297]: Cattaraugus County [009], New York [36]
Owned by State Highway Agency [01], DOT District: 51
6 MI W JCT SH 16 & SH 417
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 78 metric ton = 85.8 tons (Load Factor(LF) [1])
Inventory: 46.3 metric ton = 50.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 6049 (2014) and Trucks: 17%
Future ADT: 8469 (In 2034 )
RTE I86 over RTE 417: Allegany River: (Route: 86)
Num:1073792x
Open: no restriction [A]
Built: 1988, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 609.6 m = 2000.1 ft
Main Spans: 13 at 54.8 m = 179.8 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 12 m = 39.4 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Allegany [01297]: Cattaraugus County [009], New York [36]
Owned by State Highway Agency [01], DOT District: 51
6 MI W JCT SH 16 & SH 417
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 71.7 metric ton = 78.9 tons (Load Factor(LF) [1])
Inventory: 42.6 metric ton = 46.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Basically intolerable requiring high priority of replacement [2] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 6375 (2019) and Trucks: 16%
Future ADT: 7592 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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