US Bridges

Old Leechburg RD over Little Plum Creek

Fair

Allegheny County, Pennsylvania · 1 Mi. S.W. of SR 2088 · Structure no. 000000000001629

Built
1936
89 years old, rebuilt 2006
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,209
2024 count
Owner
State
State Highway Agency

About this bridge

Old Leechburg RD over Little Plum Creek is a concrete slab carrying Old Leechburg RD over Little Plum Creek in Allegheny County, Pennsylvania. It was built in 1936 and reconstructed in 2006, so it is 89 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 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 1,209 vehicles a day, roughly 2% of them trucks, projected to reach 2,621 by 2032. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Leechburg RD
CrossesLittle Plum Creek
Location1 Mi. S.W. of SR 2088
RouteState Highway 0
Coordinates40.50973, -79.73569
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,209 (2024)
Projected traffic2,621 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$184,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Leechburg RD over Little Plum Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2006.

What condition is Old Leechburg RD over Little Plum Creek 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 March 2024.

How much traffic does Old Leechburg RD over Little Plum Creek carry?

About 1,209 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Old Leechburg RD over Little Plum Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Old Leechburg RD over Little Plum Creek?

It is owned by the State Highway Agency.