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Nearby Bridges in NBI 2021: 1


SR 4013 over ALLEGHENY RIVER (Route: 0)
Num:30419x
Open: no restriction [A]
Built: 1917, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 20.1 m = 65.9 ft
Main Spans: 2 at 9.8 m = 32.2 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 6.8 m = 22.3 ft (2 Lanes) and Out-To-Out: 7.8 m = 25.6 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Allegany [00836]: Potter County [105], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 2
SEVEN BRIDGES
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 54.4 metric ton = 59.8 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 3.1 km = 1.9 mi
Traffic
ADT: 498 (2021) and Trucks: 2%
Future ADT: 487 (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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