Bridge Type
Main Span(s): Prestressed concrete continuous [6] Box Beam or girders - Single or Spread [06]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 52.1 m = 170.9 ft
Main Spans: 2 at 25.3 m = 83.0 ft
Approach Spans: 0
Skew: 14
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 19.3 m = 63.3 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unity [78656]: Westmoreland County [129], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 12
0.1 mi N from SR 0030
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 51.2 metric ton = 56.3 tons (Unknown [F])
Inventory: 39.5 metric ton = 43.5 tons (Unknown [F])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 9264 (2020) and Trucks: 10%
Future ADT: 15740 (In 2036
)