T-307 over Rock Run
FairSullivan County, Pennsylvania · 2.6 Mi. W of Muncy Valley · Structure no. 000000000041736
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 100
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-307 over Rock Run is a prestressed concrete slab carrying T-307 over Rock Run in Sullivan County, Pennsylvania. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 154 by 2045. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-307 over Rock Run built?
It was built in 1970, making it 55 years old in 2025.
What condition is T-307 over Rock 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 November 2023.
How much traffic does T-307 over Rock Run carry?
About 100 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is T-307 over Rock Run?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 22 ft wide.
Who owns T-307 over Rock Run?
It is owned by the Town or Township Highway Agency.