US Bridges

Pa Tpk (toll 43) over SR 0051

Fair

Allegheny County, Pennsylvania · Ramp over SR 0051 · Structure no. 000000000041970

Built
2002
23 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
175 ft
1 main span
Daily traffic
1,200
2009 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (toll 43) over SR 0051 is a steel stringer/multi-beam or girder carrying Pa Tpk (toll 43) over SR 0051 in Allegheny County, Pennsylvania. It was built in 2002, so it is 23 years old, younger 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 1,200 vehicles a day, roughly 2% of them trucks, projected to reach 1,542 by 2030. The structure is 175 ft (53.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPa Tpk (toll 43)
CrossesSR 0051
LocationRamp over SR 0051
CountyAllegheny County
StatePennsylvania
Coordinates40.29675, -79.91943
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length175 ft (53.3 m)
Longest span170 ft (51.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2009)
Projected traffic1,542 by 2030
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Pa Tpk (toll 43) over SR 0051 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Pa Tpk (toll 43) over SR 0051 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 May 2023.

How much traffic does Pa Tpk (toll 43) over SR 0051 carry?

About 1,200 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Pa Tpk (toll 43) over SR 0051?

The structure is 175 ft (53.3 m) long with a longest span of 170 ft (51.8 m) and a deck 36 ft wide.

Who owns Pa Tpk (toll 43) over SR 0051?

It is owned by the State Toll Authority.