US Bridges

Allegheny Valle Ex over Bull Creek

Fair

Allegheny County, Pennsylvania · Tarentum Interchange · Structure no. 000000000000648

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
34,449
2023 count
Owner
State
State Highway Agency

About this bridge

Allegheny Valle Ex over Bull Creek is a concrete culvert carrying Allegheny Valle Ex over Bull Creek in Allegheny County, Pennsylvania. It was built in 1982, so it is 43 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 34,449 vehicles a day, roughly 6% of them trucks, projected to reach 30,905 by 2032. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAllegheny Valle Ex
CrossesBull Creek
LocationTarentum Interchange
RouteState Highway 28
Coordinates40.61268, -79.75822
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,449 (2023)
Projected traffic30,905 by 2032
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Allegheny Valle Ex over Bull Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Allegheny Valle Ex over Bull Creek 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 June 2024.

How much traffic does Allegheny Valle Ex over Bull Creek carry?

About 34,449 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Allegheny Valle Ex over Bull Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m).

Who owns Allegheny Valle Ex over Bull Creek?

It is owned by the State Highway Agency.