US Bridges

5th Avenue over Crooked Run

Fair

Allegheny County, Pennsylvania · 200S. of S.INT.W/SR2037 · Structure no. 000000000000964

Built
1950
75 years old
Condition
Fair
inspected February 2021
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
21,021
2023 count
Owner
State
State Highway Agency

About this bridge

5th Avenue over Crooked Run is a concrete culvert carrying 5th Avenue over Crooked Run in Allegheny County, Pennsylvania. It was built in 1950, so it is 75 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 21,021 vehicles a day, roughly 4% of them trucks, projected to reach 25,027 by 2032. The structure is 27 ft (8.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries5th Avenue
CrossesCrooked Run
Location200S. of S.INT.W/SR2037
RouteState Highway 148
Coordinates40.3577, -79.83221
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,021 (2023)
Projected traffic25,027 by 2032
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Avenue over Crooked Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is 5th Avenue 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 February 2021.

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

About 21,021 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is 5th Avenue over Crooked Run?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 48 ft wide.

Who owns 5th Avenue over Crooked Run?

It is owned by the State Highway Agency.