Fdr 648 over W Fork of San Juan River
FairMineral County, Colorado · 13.7 MI Nne of Pagosa Spg · Structure no. 021306000001024
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 53 ft
- 1 main span
- Daily traffic
- 32
- 2002 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 648 over W Fork of San Juan River is a steel stringer/multi-beam or girder carrying Fdr 648 over W Fork of San Juan River in Mineral County, Colorado. It was built in 1954, so it is 71 years old, older 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 32 vehicles a day, projected to reach 48 by 2045. The structure is 53 ft (16.2 m) long and 16 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fdr 648 over W Fork of San Juan River built?
It was built in 1954, making it 71 years old in 2025.
What condition is Fdr 648 over W Fork of San Juan 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 648 over W Fork of San Juan River carry?
About 32 vehicles per day (2002 count).
How long is Fdr 648 over W Fork of San Juan River?
The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.1 m) and a deck 16 ft wide.
Who owns Fdr 648 over W Fork of San Juan River?
It is owned by the U.S. Forest Service.