US Bridges

Smithfield Street over I-376 & SR 8041(RAMP F)

Fair

Allegheny County, Pennsylvania · Smithfield ST Bridge · Structure no. 000000000001743

Built
1954
71 years old, rebuilt 2024
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
156 ft
3 main spans
Daily traffic
7,417
2024 count
Owner
State
State Highway Agency

About this bridge

Smithfield Street over I-376 & SR 8041(RAMP F) is a steel girder and floorbeam system carrying Smithfield Street over I-376 & SR 8041(RAMP F) in Allegheny County, Pennsylvania. It was built in 1954 and reconstructed in 2024, so it is 71 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 7,417 vehicles a day, roughly 14% of them trucks, projected to reach 16,015 by 2032. The structure is 156 ft (47.5 m) long and 119 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSmithfield Street
CrossesI-376 & SR 8041(RAMP F)
LocationSmithfield ST Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.43652, -80.00103
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2024
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 rating48 US tons
Inventory rating29 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span78 ft (23.8 m)
Deck width119 ft (36.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,417 (2024)
Projected traffic16,015 by 2032
Trucks14%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$947,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Smithfield Street over I-376 & SR 8041(RAMP F) built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2024.

What condition is Smithfield Street over I-376 & SR 8041(RAMP F) 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 July 2024.

How much traffic does Smithfield Street over I-376 & SR 8041(RAMP F) carry?

About 7,417 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Smithfield Street over I-376 & SR 8041(RAMP F)?

The structure is 156 ft (47.5 m) long with a longest span of 78 ft (23.8 m) and a deck 119 ft wide.

Who owns Smithfield Street over I-376 & SR 8041(RAMP F)?

It is owned by the State Highway Agency.