US Bridges

Allegheny Val Expy over Guys Run Road (sr 1011)

Fair

Allegheny County, Pennsylvania · 2.3 MI NE of Gamma DR · Structure no. 000000000000630

Built
1971
54 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
23,171
2024 count
Owner
State
State Highway Agency

About this bridge

Allegheny Val Expy over Guys Run Road (sr 1011) is a prestressed concrete box beam or girders - multiple carrying Allegheny Val Expy over Guys Run Road (sr 1011) in Allegheny County, Pennsylvania. It was built in 1971 and reconstructed in 2008, so it is 54 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 5 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 23,171 vehicles a day, roughly 5% of them trucks, projected to reach 21,180 by 2032. The structure is 143 ft (43.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAllegheny Val Expy
CrossesGuys Run Road (sr 1011)
Location2.3 MI NE of Gamma DR
RouteState Highway 28
CountyAllegheny County
StatePennsylvania
Coordinates40.53333, -79.84167
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span55 ft (16.8 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,171 (2024)
Projected traffic21,180 by 2032
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$602,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Allegheny Val Expy over Guys Run Road (sr 1011) built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2008.

What condition is Allegheny Val Expy over Guys Run Road (sr 1011) 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 2024.

How much traffic does Allegheny Val Expy over Guys Run Road (sr 1011) carry?

About 23,171 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Allegheny Val Expy over Guys Run Road (sr 1011)?

The structure is 143 ft (43.6 m) long with a longest span of 55 ft (16.8 m) and a deck 44 ft wide.

Who owns Allegheny Val Expy over Guys Run Road (sr 1011)?

It is owned by the State Highway Agency.