NM-456 over Dry Cimarron
GoodUnion County, New Mexico · 20.4 MI NE of JCT NM-325 · Structure no. 000000000007944
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 73
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-456 over Dry Cimarron is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-456 over Dry Cimarron in Union County, New Mexico. It was built in 1979, so it is 46 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 73 vehicles a day, roughly 10% of them trucks, projected to reach 99 by 2043. The structure is 162 ft (49.4 m) long and 35 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 | 7 Good | Some minor problems. |
| 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-456 over Dry Cimarron built?
It was built in 1979, making it 46 years old in 2025.
What condition is NM-456 over Dry Cimarron 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 2024.
How much traffic does NM-456 over Dry Cimarron carry?
About 73 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NM-456 over Dry Cimarron?
The structure is 162 ft (49.4 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.
Who owns NM-456 over Dry Cimarron?
It is owned by the State Highway Agency.