US Bridges

Interstate 376 over Business Rt. 22

Good

Allegheny County, Pennsylvania · Near Turnpike Int. · Structure no. 000000000046974

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
271 ft
3 main spans
Daily traffic
26,622
2023 count
Owner
State
State Highway Agency

About this bridge

Interstate 376 over Business Rt. 22 is a steel continuous stringer/multi-beam or girder carrying Interstate 376 over Business Rt. 22 in Allegheny County, Pennsylvania. It was built in 2011, so it is 14 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,622 vehicles a day, roughly 7% of them trucks, projected to reach 50,000 by 2037. The structure is 271 ft (82.6 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesInterstate 376
CrossesBusiness Rt. 22
LocationNear Turnpike Int.
RouteInterstate 376
CountyAllegheny County
StatePennsylvania
Coordinates40.43889, -79.75814
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length271 ft (82.6 m)
Longest span147 ft (44.8 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,622 (2023)
Projected traffic50,000 by 2037
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 376 over Business Rt. 22 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Interstate 376 over Business Rt. 22 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Interstate 376 over Business Rt. 22 carry?

About 26,622 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Interstate 376 over Business Rt. 22?

The structure is 271 ft (82.6 m) long with a longest span of 147 ft (44.8 m) and a deck 57 ft wide.

Who owns Interstate 376 over Business Rt. 22?

It is owned by the State Highway Agency.