T504 Mill Crk Holl over Mill Creek
GoodHuntingdon County, Pennsylvania · 3.4 MI.S.SR1001 · Structure no. 000000000018770
- Built
- 1938
- 87 years old, rebuilt 2000
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 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 steel stringer/multi-beam or girder carrying T504 Mill Crk Holl over Mill Creek in Huntingdon County, Pennsylvania. It was built in 1938 and reconstructed in 2000, so it is 87 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 147 vehicles a day, roughly 3% of them trucks, projected to reach 164 by 2032. The structure is 51 ft (15.5 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 T504 Mill Crk Holl over Mill Creek built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2000.
What condition is T504 Mill Crk Holl over Mill Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 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 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.
Who owns T504 Mill Crk Holl over Mill Creek?
It is owned by the State Highway Agency.