NM-21 over Cimarron River
GoodColfax County, New Mexico · 0.3 MI S of JCT US-64 · Structure no. 000000000005696
- Built
- 1954
- 71 years old
- Condition
- Good
- inspected April 2022
- Type
- Culvert
- Concrete
- Length
- 65 ft
- 6 main spans
- Daily traffic
- 103
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-21 over Cimarron River is a concrete culvert carrying NM-21 over Cimarron River in Colfax County, New Mexico. It was built in 1954, so it is 71 years old, older 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 103 vehicles a day, roughly 11% of them trucks, projected to reach 140 by 2043. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 55.3 mi (89 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 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 1954, making it 71 years old in 2025.
What condition is NM-21 over Cimarron 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 April 2022.
How much traffic does NM-21 over Cimarron River carry?
About 103 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-21 over Cimarron River?
The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).
Who owns NM-21 over Cimarron River?
It is owned by the State Highway Agency.