NM-21 over Cimarron River
FairColfax County, New Mexico · .2 MI W Maxwell Ave/Sprin · Structure no. 000000000008579
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 158 ft
- 3 main spans
- Daily traffic
- 489
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-21 over Cimarron River is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-21 over Cimarron River in Colfax County, New Mexico. It was built in 1986, so it is 39 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 489 vehicles a day, roughly 11% of them trucks, projected to reach 665 by 2043. The structure is 158 ft (48.2 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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-21 over Cimarron River built?
It was built in 1986, making it 39 years old in 2025.
What condition is NM-21 over Cimarron 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 June 2023.
How much traffic does NM-21 over Cimarron River carry?
About 489 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-21 over Cimarron River?
The structure is 158 ft (48.2 m) long with a longest span of 57 ft (17.4 m) and a deck 38 ft wide.
Who owns NM-21 over Cimarron River?
It is owned by the State Highway Agency.