US Bridges

Ramp D over SR 0376 EB WB

Fair

Allegheny County, Pennsylvania · Carnegie Interchange · Structure no. 000000000002805

Built
1952
73 years old, rebuilt 1976
Condition
Fair
inspected November 2023
Type
Girder and Floorbeam System
Steel
Length
172 ft
3 main spans
Daily traffic
6,057
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp D over SR 0376 EB WB is a steel girder and floorbeam system carrying Ramp D over SR 0376 EB WB in Allegheny County, Pennsylvania. It was built in 1952 and reconstructed in 1976, 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 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 6,057 vehicles a day, roughly 7% of them trucks, projected to reach 8,001 by 2032. The structure is 172 ft (52.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRamp D
CrossesSR 0376 EB WB
LocationCarnegie Interchange
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.41223, -80.0783
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.
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 inspectionNovember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span99 ft (30.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,057 (2024)
Projected traffic8,001 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-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$113,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp D over SR 0376 EB WB built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1976.

What condition is Ramp 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 November 2023.

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

About 6,057 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp D over SR 0376 EB WB?

The structure is 172 ft (52.4 m) long with a longest span of 99 ft (30.2 m) and a deck 33 ft wide.

Who owns Ramp D over SR 0376 EB WB?

It is owned by the State Highway Agency.