US Bridges

Interstate 376 WB over Abdn RR 2nd Ave 10th ST

Fair

Allegheny County, Pennsylvania · 1/4 Mi. E.Of Liberty Br. · Structure no. 000000000001133

Built
1956
69 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,750 ft
7 main spans
Daily traffic
37,791
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 376 WB over Abdn RR 2nd Ave 10th ST is a steel continuous stringer/multi-beam or girder carrying Interstate 376 WB over Abdn RR 2nd Ave 10th ST in Allegheny County, Pennsylvania. It was built in 1956 and reconstructed in 1985, so it is 69 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 37,791 vehicles a day, roughly 5% of them trucks, projected to reach 17,203 by 2032. The structure is 1,750 ft (533.4 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesInterstate 376 WB
CrossesAbdn RR 2nd Ave 10th ST
Location1/4 Mi. E.Of Liberty Br.
RouteInterstate 376
CountyAllegheny County
StatePennsylvania
Coordinates40.434, -79.99401
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+5 approach)
Design loadHS 20
Structure length1,750 ft (533.4 m)
Longest span180 ft (54.9 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,791 (2024)
Projected traffic17,203 by 2032
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 376 WB over Abdn RR 2nd Ave 10th ST built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is Interstate 376 WB over Abdn RR 2nd Ave 10th ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Interstate 376 WB over Abdn RR 2nd Ave 10th ST carry?

About 37,791 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Interstate 376 WB over Abdn RR 2nd Ave 10th ST?

The structure is 1,750 ft (533.4 m) long with a longest span of 180 ft (54.9 m) and a deck 47 ft wide.

Who owns Interstate 376 WB over Abdn RR 2nd Ave 10th ST?

It is owned by the State Highway Agency.