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Nearby Bridges in NBI 2021: 1


ROCK SCHOOL BRIDGE over KINGS CREEK TRIB. (Route: 0)
Num:35286x
Open: no restriction [A]
Built: 1902, Reconstructed: 2016
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 14 m = 45.9 ft
Main Spans: 1 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4 m = 13.1 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Hanover [32440]: Washington County [125], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 12
250' SOUTH OF TR 869
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: HL93 [A]
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: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 30 (2016) and Trucks: 0%
Future ADT: 30 (In 2033 )

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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