Fdr 631 over Piedra River
FairHinsdale County, Colorado · 16.4 MI on Fdr 631 · Structure no. 021306000001169
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 84 ft
- 1 main span
- Daily traffic
- 533
- 2003 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 631 over Piedra River is a prestressed concrete tee beam carrying Fdr 631 over Piedra River in Hinsdale County, Colorado. It was built in 1991, so it is 34 years old, younger than the Colorado average of 42.2 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 533 vehicles a day, roughly 20% of them trucks, projected to reach 369 by 2013. The structure is 84 ft (25.6 m) long and 28 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fdr 631 over Piedra River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Fdr 631 over Piedra River 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 August 2024.
How much traffic does Fdr 631 over Piedra River carry?
About 533 vehicles per day (2003 count), of which roughly 20% are trucks.
How long is Fdr 631 over Piedra River?
The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.
Who owns Fdr 631 over Piedra River?
It is owned by the U.S. Forest Service.