US Bridges

5th Ave over Crooked Run

Fair

Allegheny County, Pennsylvania · 150 Ft N of SR2037 · Structure no. 000000000000965

Built
1937
88 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
19,749
2024 count
Owner
State
State Highway Agency

About this bridge

5th Ave over Crooked Run is a concrete slab carrying 5th Ave over Crooked Run in Allegheny County, Pennsylvania. It was built in 1937 and reconstructed in 2009, so it is 88 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 19,749 vehicles a day, roughly 3% of them trucks, projected to reach 21,626 by 2032. The structure is 26 ft (7.9 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries5th Ave
CrossesCrooked Run
Location150 Ft N of SR2037
RouteState Highway 148
Coordinates40.35894, -79.83124
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,749 (2024)
Projected traffic21,626 by 2032
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 5th Ave over Crooked Run built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2009.

What condition is 5th Ave over Crooked Run 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 September 2023.

How much traffic does 5th Ave over Crooked Run carry?

About 19,749 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is 5th Ave over Crooked Run?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 56 ft wide.

Who owns 5th Ave over Crooked Run?

It is owned by the State Highway Agency.