NM-554 over Rio Chama
FairRio Arriba County, New Mexico · 0.6 MI NE of US-84 · Structure no. 000000000008755
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 157 ft
- 2 main spans
- Daily traffic
- 1,165
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-554 over Rio Chama is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-554 over Rio Chama in Rio Arriba County, New Mexico. It was built in 1990, so it is 35 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 1,165 vehicles a day, roughly 11% of them trucks, projected to reach 1,584 by 2043. The structure is 157 ft (48 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-554 over Rio Chama built?
It was built in 1990, making it 35 years old in 2025.
What condition is NM-554 over Rio Chama 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 November 2023.
How much traffic does NM-554 over Rio Chama carry?
About 1,165 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-554 over Rio Chama?
The structure is 157 ft (48 m) long with a longest span of 78 ft (23.8 m) and a deck 39 ft wide.
Who owns NM-554 over Rio Chama?
It is owned by the State Highway Agency.