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Nearby Bridges in NBI 2021: 1


DUNBAR BRIDGE T320 over RACCOON CREEK (Route: 0)
Num:35334x
Open: no restriction [A]
Built: 1889, 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] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 19.5 m = 64.0 ft
Main Spans: 1 at 18 m = 59.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4.3 m = 14.1 ft for a 2.7 m = 8.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Smith [71288]: Washington County [125], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 12
@ T843/T700 INTERSECTION
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 80.7 metric ton = 88.8 tons (Load Factor(LF) [1])
Inventory: 48.1 metric ton = 52.9 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 15 (2016) and Trucks: 0%
Future ADT: 15 (In 2016 )

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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