T504 Mill Crk Holl over Mill Creek
FairHuntingdon County, Pennsylvania · 3.7 Mile North of TR 655 · Structure no. 000000000018769
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 147
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
T504 Mill Crk Holl over Mill Creek is a concrete tee beam carrying T504 Mill Crk Holl over Mill Creek in Huntingdon County, Pennsylvania. It was built in 1964, so it is 61 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 147 vehicles a day, roughly 3% of them trucks, projected to reach 164 by 2032. The structure is 46 ft (14 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 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 T504 Mill Crk Holl over Mill Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is T504 Mill Crk Holl over Mill 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 2023.
How much traffic does T504 Mill Crk Holl over Mill Creek carry?
About 147 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is T504 Mill Crk Holl over Mill Creek?
The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.
Who owns T504 Mill Crk Holl over Mill Creek?
It is owned by the State Highway Agency.