Irr# CO RD 391 over Navajo River
FairArchuleta County, Colorado · 3.5 MI SW of Chromo · Structure no. AR391-S3.8-S84A
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 37
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Irr# CO RD 391 over Navajo River is a prestressed concrete stringer/multi-beam or girder carrying Irr# CO RD 391 over Navajo River in Archuleta County, Colorado. It was built in 2001, so it is 24 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 37 vehicles a day, projected to reach 44 by 2042. The structure is 82 ft (24.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Irr# CO RD 391 over Navajo River built?
It was built in 2001, making it 24 years old in 2025.
What condition is Irr# CO RD 391 over Navajo 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 October 2024.
How much traffic does Irr# CO RD 391 over Navajo River carry?
About 37 vehicles per day (2022 count).
How long is Irr# CO RD 391 over Navajo River?
The structure is 82 ft (24.9 m) long with a longest span of 76 ft (23.3 m) and a deck 32 ft wide.
Who owns Irr# CO RD 391 over Navajo River?
It is owned by the County Highway Agency.