NM-456 over Cimarron River
GoodUnion County, New Mexico · 24.3 MI NE of JCT NM-325 · Structure no. 000000000009709
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 62
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
NM-456 over Cimarron River is a steel stringer/multi-beam or girder carrying NM-456 over Cimarron River in Union County, New Mexico. It was built in 2015, so it is 10 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 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 62 vehicles a day, roughly 5% of them trucks, projected to reach 49 by 2038. The structure is 141 ft (43 m) long and 34 ft wide. If it were closed, the detour would be 62.1 mi (100 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-456 over Cimarron River built?
It was built in 2015, making it 10 years old in 2025.
What condition is NM-456 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 2023.
How much traffic does NM-456 over Cimarron River carry?
About 62 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is NM-456 over Cimarron River?
The structure is 141 ft (43 m) long with a longest span of 141 ft (43 m) and a deck 34 ft wide.
Who owns NM-456 over Cimarron River?
It is owned by the State Highway Agency.