US-285 over Rio Chama
GoodRio Arriba County, New Mexico · 0.4 MI N of US-84 · Structure no. 000000000008911
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 262 ft
- 3 main spans
- Daily traffic
- 2,977
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-285 over Rio Chama is a prestressed concrete continuous stringer/multi-beam or girder carrying US-285 over Rio Chama in Rio Arriba County, New Mexico. It was built in 1994, so it is 31 years old, younger than the New Mexico average of 51.5 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 2,977 vehicles a day, roughly 17% of them trucks, projected to reach 4,048 by 2043. The structure is 262 ft (80 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| 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 US-285 over Rio Chama built?
It was built in 1994, making it 31 years old in 2025.
What condition is US-285 over Rio Chama 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 January 2023.
How much traffic does US-285 over Rio Chama carry?
About 2,977 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US-285 over Rio Chama?
The structure is 262 ft (80 m) long with a longest span of 89 ft (27 m) and a deck 46 ft wide.
Who owns US-285 over Rio Chama?
It is owned by the State Highway Agency.