NM-233 over Chama River
FairRio Arriba County, New Mexico · 0.5 MI N of JCT US-84 · Structure no. 000000000008506
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 154 ft
- 2 main spans
- Daily traffic
- 697
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-233 over Chama River is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-233 over Chama River in Rio Arriba County, New Mexico. It was built in 1984, so it is 41 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 697 vehicles a day, roughly 11% of them trucks, projected to reach 947 by 2043. The structure is 154 ft (47 m) long and 31 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 | 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 NM-233 over Chama River built?
It was built in 1984, making it 41 years old in 2025.
What condition is NM-233 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 NM-233 over Chama River carry?
About 697 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-233 over Chama River?
The structure is 154 ft (47 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.
Who owns NM-233 over Chama River?
It is owned by the State Highway Agency.