Thompson ST over Thompson Run
FairAllegheny County, Pennsylvania · 467003 Turtle Creekboro · Structure no. 000000000002704
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 4,000
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Thompson ST over Thompson Run is a prestressed concrete box beam or girders - multiple carrying Thompson ST over Thompson Run in Allegheny County, Pennsylvania. It was built in 1975, so it is 50 years old, younger 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 4,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,400 by 2039. The structure is 56 ft (17.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thompson ST over Thompson Run built?
It was built in 1975, making it 50 years old in 2025.
What condition is Thompson ST over Thompson 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 May 2024.
How much traffic does Thompson ST over Thompson Run carry?
About 4,000 vehicles per day (2018 count), of which roughly 3% are trucks.
How long is Thompson ST over Thompson Run?
The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.
Who owns Thompson ST over Thompson Run?
It is owned by the City or Municipal Highway Agency.