Fdr 578 over Dolores River
GoodDolores County, Colorado · 6.0 MI Nne of Rico · Structure no. 021302000001011
- Built
- 1955
- 70 years old, rebuilt 2000
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 51 ft
- 2 main spans
- Daily traffic
- 69
- 2002 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 578 over Dolores River is a wood or timber stringer/multi-beam or girder carrying Fdr 578 over Dolores River in Dolores County, Colorado. It was built in 1955 and reconstructed in 2000, so it is 70 years old, older than the Colorado average of 42.2 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 69 vehicles a day, projected to reach 20 by 2012. The structure is 51 ft (15.5 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
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 | 7 Good | Some minor problems. |
| 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 Fdr 578 over Dolores River built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2000.
What condition is Fdr 578 over Dolores River 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 Fdr 578 over Dolores River carry?
About 69 vehicles per day (2002 count).
How long is Fdr 578 over Dolores River?
The structure is 51 ft (15.5 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.
Who owns Fdr 578 over Dolores River?
It is owned by the U.S. Forest Service.