T504 Mill Crk Holl over Mill Creek
FairHuntingdon County, Pennsylvania · 2.6 Mile North of TR 655 · Structure no. 000000000018768
- Built
- 1937
- 88 years old, rebuilt 2010
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 57 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 1937 and reconstructed in 2010, so it is 88 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 147 vehicles a day, roughly 3% of them trucks, projected to reach 164 by 2032. The structure is 57 ft (17.4 m) long and 23 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, 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 1937, making it 88 years old in 2025. It was reconstructed in 2010.
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 57 ft (17.4 m) long with a longest span of 53 ft (16.2 m) and a deck 23 ft wide.
Who owns T504 Mill Crk Holl over Mill Creek?
It is owned by the State Highway Agency.