On Mill Street over Lillibridge Creek
FairMcKean County, Pennsylvania · Port Allegany Boro · Structure no. 000000000025493
- Built
- 1962
- 63 years old, rebuilt 2017
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 1,822
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
On Mill Street over Lillibridge Creek is a prestressed concrete box beam or girders - multiple carrying On Mill Street over Lillibridge Creek in McKean County, Pennsylvania. It was built in 1962 and reconstructed in 2017, so it is 63 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 1,822 vehicles a day, roughly 2% of them trucks, projected to reach 2,977 by 2043. The structure is 70 ft (21.3 m) long and 45 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 | 8 Very Good | No problems noted. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 On Mill Street over Lillibridge Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2017.
What condition is On Mill Street over Lillibridge 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 September 2023.
How much traffic does On Mill Street over Lillibridge Creek carry?
About 1,822 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is On Mill Street over Lillibridge Creek?
The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 45 ft wide.
Who owns On Mill Street over Lillibridge Creek?
It is owned by the State Highway Agency.