Bridge Type
Main Span(s): Prestressed concrete continuous [6] Box Beam or girders - Single or Spread [06]
Approach Span(s): Prestressed concrete [5] Box Beam or girders - Single or Spread [06]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 87.5 m = 287.1 ft
Main Spans: 4 at 30.2 m = 99.1 ft
Approach Spans: 1
Skew: 11
Width, Roadway: 9.7 m = 31.8 ft (2 Lanes) and Out-To-Out: 12.1 m = 39.7 ft for a 9.4 m = 30.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Collier [15216]: Allegheny County [003], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
STEEN RD OVER I-79
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 49.2 metric ton = 54.1 tons (Unknown [F])
Inventory: 38.2 metric ton = 42.0 tons (Unknown [F])
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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 3116 (2021) and Trucks: 5%
Future ADT: 5266 (In 2032
)