Leechburg RD over Plum Creek
FairAllegheny County, Pennsylvania · 100W.OF Unity-Trestle RD · Structure no. 000000000001646
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 4,369
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Leechburg RD over Plum Creek is a concrete tee beam carrying Leechburg RD over Plum Creek in Allegheny County, Pennsylvania. It was built in 1956, so it is 69 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 4,369 vehicles a day, roughly 6% of them trucks, projected to reach 4,614 by 2032. The structure is 42 ft (12.8 m) long and 48 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Leechburg RD over Plum Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is Leechburg RD over 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 Leechburg RD over Plum Creek carry?
About 4,369 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Leechburg RD over Plum Creek?
The structure is 42 ft (12.8 m) long with a longest span of 36 ft (11 m) and a deck 48 ft wide.
Who owns Leechburg RD over Plum Creek?
It is owned by the State Highway Agency.