IRR BIA RTE 206 over Mancos River
FairMontezuma County, Colorado · 28.2 KM E of Chimney Rock · Structure no. 00000000000M609
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 95 ft
- 1 main span
- Daily traffic
- 100
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 206 over Mancos River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 206 over Mancos River in Montezuma County, Colorado. It was built in 1976, so it is 49 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 117 by 2043. The structure is 95 ft (29 m) long and 41 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 206 over Mancos River built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA RTE 206 over Mancos 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 March 2023.
How much traffic does IRR BIA RTE 206 over Mancos River carry?
About 100 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 206 over Mancos River?
The structure is 95 ft (29 m) long with a longest span of 93 ft (28.2 m) and a deck 41 ft wide.
Who owns IRR BIA RTE 206 over Mancos River?
It is owned by the Bureau of Indian Affairs.