40th Street Bridge over Nsrc Csx Avr

Fair Condition102 years old26,091 vehicles/day

Location

StatePennsylvania
CountyAllegheny
Location40th Street Bridge
Carries40th Street Bridge
CrossesNsrc Csx Avr
Coordinates40.47236, -79.96786

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignArch - Deck
Total Length2432.1 ft (741.3 m)
Max Span379.9 ft (115.8 m)
Deck Width54.1 ft (16.5 m)
Deck Area12231.5 sq m
Main Spans3
Year Built1924 (reconstructed 1991)

Traffic

Avg Daily Traffic26,091 (2024)
Truck Traffic4%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number000000000001674

Nearby Bridges