US Bridges

Route 28 N.B. over SR 1034 -Bull Creek Road

Fair

Allegheny County, Pennsylvania · Tarentum Interchange · Structure no. 000000000000649

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
14,091
2023 count
Owner
State
State Highway Agency

About this bridge

Route 28 N.B. over SR 1034 -Bull Creek Road is a prestressed concrete box beam or girders - multiple carrying Route 28 N.B. over SR 1034 -Bull Creek Road in Allegheny County, Pennsylvania. It was built in 1984, so it is 41 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 14,091 vehicles a day, roughly 7% of them trucks, projected to reach 11,357 by 2032. The structure is 152 ft (46.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRoute 28 N.B.
CrossesSR 1034 -Bull Creek Road
LocationTarentum Interchange
RouteState Highway 28
CountyAllegheny County
StatePennsylvania
Coordinates40.61333, -79.75725
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating23 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span102 ft (31.1 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,091 (2023)
Projected traffic11,357 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$228,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 28 N.B. over SR 1034 -Bull Creek Road built?

It was built in 1984, making it 41 years old in 2025.

What condition is Route 28 N.B. over SR 1034 -Bull Creek Road 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 2023.

How much traffic does Route 28 N.B. over SR 1034 -Bull Creek Road carry?

About 14,091 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Route 28 N.B. over SR 1034 -Bull Creek Road?

The structure is 152 ft (46.3 m) long with a longest span of 102 ft (31.1 m) and a deck 45 ft wide.

Who owns Route 28 N.B. over SR 1034 -Bull Creek Road?

It is owned by the State Highway Agency.