US Bridges

Allegheny Val. Ex over Crawford Run Rd/Crk

Fair

Allegheny County, Pennsylvania · 0.4 MI N of SR 28 Exit 13 · Structure no. 000000000000644

Built
1976
49 years old, rebuilt 2008
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
2 main spans
Daily traffic
41,247
2024 count
Owner
State
State Highway Agency

About this bridge

Allegheny Val. Ex over Crawford Run Rd/Crk is a steel continuous stringer/multi-beam or girder carrying Allegheny Val. Ex over Crawford Run Rd/Crk in Allegheny County, Pennsylvania. It was built in 1976 and reconstructed in 2008, so it is 49 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 41,247 vehicles a day, roughly 6% of them trucks, projected to reach 41,233 by 2032. The structure is 326 ft (99.4 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. Ex
CrossesCrawford Run Rd/Crk
Location0.4 MI N of SR 28 Exit 13
RouteState Highway 28
CountyAllegheny County
StatePennsylvania
Coordinates40.58238, -79.78076
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length326 ft (99.4 m)
Longest span162 ft (49.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,247 (2024)
Projected traffic41,233 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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$930,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Allegheny Val. Ex over Crawford Run Rd/Crk built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2008.

What condition is Allegheny Val. Ex over Crawford Run Rd/Crk 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 Allegheny Val. Ex over Crawford Run Rd/Crk carry?

About 41,247 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Allegheny Val. Ex over Crawford Run Rd/Crk?

The structure is 326 ft (99.4 m) long with a longest span of 162 ft (49.4 m) and a deck 44 ft wide.

Who owns Allegheny Val. Ex over Crawford Run Rd/Crk?

It is owned by the State Highway Agency.