Bridge Type
Main Span(s): Steel continuous [4] Truss - Deck [09]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 195.4 m = 641.1 ft
Main Spans: 3 at 84.1 m = 275.9 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 13.1 m = 43.0 ft (2 Lanes) and Out-To-Out: 16 m = 52.5 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
North Braddock [54816]: Allegheny County [003], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 11
DK01 DOOKER'S HOLLOW BR
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 33.6 metric ton = 37.0 tons (Load Factor(LF) [1])
Inventory: 22.7 metric ton = 25.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 4000 (2005) and Trucks: 5%
Future ADT: 4000 (In 2025
)
