US-64/84 over Chama River
GoodRio Arriba County, New Mexico · 0.2 MI S of JCT NM-17 · Structure no. 000000000007932
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 180 ft
- 3 main spans
- Daily traffic
- 2,565
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-64/84 over Chama River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-64/84 over Chama River in Rio Arriba County, New Mexico. It was built in 1979, so it is 46 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 2,565 vehicles a day, roughly 11% of them trucks, projected to reach 3,488 by 2043. The structure is 180 ft (54.9 m) long and 48 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 | 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 US-64/84 over Chama River built?
It was built in 1979, making it 46 years old in 2025.
What condition is US-64/84 over Chama 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 June 2023.
How much traffic does US-64/84 over Chama River carry?
About 2,565 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US-64/84 over Chama River?
The structure is 180 ft (54.9 m) long with a longest span of 62 ft (18.9 m) and a deck 48 ft wide.
Who owns US-64/84 over Chama River?
It is owned by the State Highway Agency.