US Bridges

Ramp A_d over SR 0376 EB WB

Fair

Allegheny County, Pennsylvania · Squirrel Hill Interchange · Structure no. 000000000002752

Built
1952
73 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel
Length
93 ft
1 main span
Daily traffic
16,786
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp A_d over SR 0376 EB WB is a steel girder and floorbeam system carrying Ramp A_d over SR 0376 EB WB in Allegheny County, Pennsylvania. It was built in 1952 and reconstructed in 2007, so it is 73 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 6 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 16,786 vehicles a day, roughly 7% of them trucks, projected to reach 26,955 by 2032. The structure is 93 ft (28.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRamp A_d
CrossesSR 0376 EB WB
LocationSquirrel Hill Interchange
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.42833, -79.92833
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width49 ft (14.8 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,786 (2024)
Projected traffic26,955 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$496,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp A_d over SR 0376 EB WB built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2007.

What condition is Ramp A_d over SR 0376 EB WB 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 2023.

How much traffic does Ramp A_d over SR 0376 EB WB carry?

About 16,786 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp A_d over SR 0376 EB WB?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 49 ft wide.

Who owns Ramp A_d over SR 0376 EB WB?

It is owned by the State Highway Agency.