Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
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: 80.2 m = 263.1 ft
Main Spans: 3 at 29.9 m = 98.1 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.3 m = 43.6 ft for a 12.2 m = 40.0 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
UNITY TOWNSHIP
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 83.5 metric ton = 91.9 tons (Load Factor(LF) [1])
Inventory: 41.7 metric ton = 45.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 1999 [1099] 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: 1.3 km = 0.8 mi
Traffic
ADT: 4893 (2019) and Trucks: 1%
Future ADT: 6172 (In 2032
)
