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Nearby Bridges in NBI 2021: 1


T-406:JAMESTOWN RD over NORFOLK SOUTHERN RR (Route: 0)
Num:8757x
Open: no restriction [A]
Built: 1931, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 24.1 m = 79.1 ft
Main Spans: 1 at 23.5 m = 77.1 ft
Approach Spans: 0
Skew: 23
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Portage [62056]: Cambria County [021], Pennsylvania [42]
Owned by Railroad [27], DOT District: 9
1 MI.NE.OF PORTAGE
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 18 / H 20 [4]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 27.2 metric ton = 29.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 150 (2020) and Trucks: 1%
Future ADT: 192 (In 2040 )

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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