US Bridges

Clairton Blvd over Lewis Run

Fair

Allegheny County, Pennsylvania · 100 Ft So Coal Valley RD · Structure no. 000000000000728

Built
1935
90 years old, rebuilt 1999
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
25,938
2024 count
Owner
State
State Highway Agency

About this bridge

Clairton Blvd over Lewis Run is a concrete culvert carrying Clairton Blvd over Lewis Run in Allegheny County, Pennsylvania. It was built in 1935 and reconstructed in 1999, so it is 90 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 25,938 vehicles a day, roughly 4% of them trucks, projected to reach 34,275 by 2032. The structure is 29 ft (8.8 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesClairton Blvd
CrossesLewis Run
Location100 Ft So Coal Valley RD
RouteState Highway 51
Coordinates40.31279, -79.93844
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry7: Better than present minimum criteria
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 length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,938 (2024)
Projected traffic34,275 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Clairton Blvd over Lewis Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1999.

What condition is Clairton Blvd over Lewis 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 December 2023.

How much traffic does Clairton Blvd over Lewis Run carry?

About 25,938 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Clairton Blvd over Lewis Run?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 66 ft wide.

Who owns Clairton Blvd over Lewis Run?

It is owned by the State Highway Agency.