US Bridges

Parkway East over Sq Hill Tn Vult

Fair

Allegheny County, Pennsylvania · Under W Potal/Sq Hill Tn · Structure no. 000000000043521

Built
1955
70 years old
Condition
Fair
inspected April 2021
Type
Tee Beam
Concrete
Length
91 ft
5 main spans
Daily traffic
65,232
2024 count
Owner
State
State Highway Agency

About this bridge

Parkway East over Sq Hill Tn Vult is a concrete tee beam carrying Parkway East over Sq Hill Tn Vult in Allegheny County, Pennsylvania. It was built in 1955, so it is 70 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 65,232 vehicles a day, roughly 7% of them trucks, projected to reach 247,223 by 2032. The structure is 91 ft (27.7 m) long and 100 ft wide.

Location

Open in Google Maps
CarriesParkway East
CrossesSq Hill Tn Vult
LocationUnder W Potal/Sq Hill Tn
RouteInterstate 376
CountyAllegheny County
StatePennsylvania
Coordinates40.42667, -79.91833
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating56 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span23 ft (7 m)
Deck width100 ft (30.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,232 (2024)
Projected traffic247,223 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parkway East over Sq Hill Tn Vult built?

It was built in 1955, making it 70 years old in 2025.

What condition is Parkway East over Sq Hill Tn Vult 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 April 2021.

How much traffic does Parkway East over Sq Hill Tn Vult carry?

About 65,232 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Parkway East over Sq Hill Tn Vult?

The structure is 91 ft (27.7 m) long with a longest span of 23 ft (7 m) and a deck 100 ft wide.

Who owns Parkway East over Sq Hill Tn Vult?

It is owned by the State Highway Agency.