T-375 Gresock RD over Mahoning Creek
FairJefferson County, Pennsylvania · 1.3 Miles West of SR 119 · Structure no. 000000000019871
- Built
- 1969
- 56 years old, rebuilt 2022
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 136 ft
- 2 main spans
- Daily traffic
- 311
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
T-375 Gresock RD over Mahoning Creek is a prestressed concrete box beam or girders - multiple carrying T-375 Gresock RD over Mahoning Creek in Jefferson County, Pennsylvania. It was built in 1969 and reconstructed in 2022, so it is 56 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 311 vehicles a day, roughly 9% of them trucks, projected to reach 435 by 2044. The structure is 136 ft (41.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-375 Gresock RD over Mahoning Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2022.
What condition is T-375 Gresock RD over Mahoning 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 August 2024.
How much traffic does T-375 Gresock RD over Mahoning Creek carry?
About 311 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is T-375 Gresock RD over Mahoning Creek?
The structure is 136 ft (41.5 m) long with a longest span of 66 ft (20.1 m) and a deck 26 ft wide.
Who owns T-375 Gresock RD over Mahoning Creek?
It is owned by the County Highway Agency.