Bridge Type
Main Span(s): Prestressed concrete [5] 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: 59.4 m = 194.9 ft
Main Spans: 2 at 28.3 m = 92.9 ft
Approach Spans: 0
Skew: 11
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 22.1 m = 72.5 ft for a 21.3 m = 69.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
McKees Rocks [46264]: Allegheny County [003], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
PGH-MCKEES ROCKS LINE
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 87.1 metric ton = 95.8 tons (Load Factor(LF) [1])
Inventory: 3.6 metric ton = 4.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 9690 (2019) and Trucks: 4%
Future ADT: 15696 (In 2032
)