Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 381.9 m = 1253.0 ft
Main Spans: 3 at 94.5 m = 310.1 ft
Approach Spans: 4
Skew: 99
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 13.6 m = 44.6 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Port Vue [62320]: Allegheny County [003], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
PORT VUE BRIDGE
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.1 metric ton = 52.9 tons (Load Factor(LF) [1])
Inventory: 29 metric ton = 31.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 6333 (2021) and Trucks: 3%
Future ADT: 8967 (In 2032
)