US Bridges

Ramp a over SR 0051 Ramp C

Fair

Allegheny County, Pennsylvania · Behind Fort Pitt Garage · Structure no. 000000000002807

Built
1953
72 years old, rebuilt 2015
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
380 ft
5 main spans
Daily traffic
11,751
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp a over SR 0051 Ramp C is a steel girder and floorbeam system carrying Ramp a over SR 0051 Ramp C in Allegheny County, Pennsylvania. It was built in 1953 and reconstructed in 2015, so it is 72 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 11,751 vehicles a day, roughly 7% of them trucks, projected to reach 13,595 by 2031. The structure is 380 ft (115.8 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRamp a
CrossesSR 0051 Ramp C
LocationBehind Fort Pitt Garage
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.43153, -80.02761
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span88 ft (26.8 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,751 (2024)
Projected traffic13,595 by 2031
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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$846,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp a over SR 0051 Ramp C built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2015.

What condition is Ramp a over SR 0051 Ramp C 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 2024.

How much traffic does Ramp a over SR 0051 Ramp C carry?

About 11,751 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp a over SR 0051 Ramp C?

The structure is 380 ft (115.8 m) long with a longest span of 88 ft (26.8 m) and a deck 35 ft wide.

Who owns Ramp a over SR 0051 Ramp C?

It is owned by the State Highway Agency.