US Bridges

Parkway East over Ramp a WB

Fair

Allegheny County, Pennsylvania · 376 over WB Ramp a · Structure no. 000000000001197

Built
1961
64 years old, rebuilt 1976
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
73,349
2024 count
Owner
State
State Highway Agency

About this bridge

Parkway East over Ramp a WB is a steel stringer/multi-beam or girder carrying Parkway East over Ramp a WB in Allegheny County, Pennsylvania. It was built in 1961 and reconstructed in 1976, so it is 64 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 73,349 vehicles a day, roughly 17% of them trucks, projected to reach 66,110 by 2032. The structure is 78 ft (23.8 m) long and 89 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesParkway East
CrossesRamp a WB
Location376 over WB Ramp a
RouteInterstate 376
Coordinates40.44233, -79.83817
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span75 ft (22.9 m)
Deck width89 ft (27 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,349 (2024)
Projected traffic66,110 by 2032
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$299,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parkway East over Ramp a WB built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1976.

What condition is Parkway East over Ramp a 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 Parkway East over Ramp a WB carry?

About 73,349 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Parkway East over Ramp a WB?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 89 ft wide.

Who owns Parkway East over Ramp a WB?

It is owned by the State Highway Agency.