US-84 over Chama River
FairRio Arriba County, New Mexico · Chama River at Abiquiu · Structure no. 000000000008229
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 140 ft
- 2 main spans
- Daily traffic
- 3,501
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-84 over Chama River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-84 over Chama River in Rio Arriba County, New Mexico. It was built in 1980, so it is 45 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 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 3,501 vehicles a day, roughly 11% of them trucks, projected to reach 4,761 by 2043. The structure is 140 ft (42.6 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| 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 US-84 over Chama River built?
It was built in 1980, making it 45 years old in 2025.
What condition is US-84 over Chama 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 July 2023.
How much traffic does US-84 over Chama River carry?
About 3,501 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US-84 over Chama River?
The structure is 140 ft (42.6 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.
Who owns US-84 over Chama River?
It is owned by the State Highway Agency.