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Nearby Bridges in NBI 2021: 1


RTE 20 over EIGHTEENMILE CRK (Route: 20)
Num:1015450x
Open: no restriction [A]
Built: 1929, Reconstructed: 2000
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 126.8 m = 416.0 ft
Main Spans: 5 at 44.8 m = 147.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.1 m = 56.1 ft (2 Lanes) and Out-To-Out: 18.1 m = 59.4 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Eden [23415]: Erie County [029], New York [36]
Owned by State Highway Agency [01], DOT District: 53
5.6 MI SW JCT RTS 20 + 75
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 79.9 metric ton = 87.9 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
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: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 12103 (2018) and Trucks: 6%
Future ADT: 12159 (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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