US-491 over Unnamed Waterway
GoodMcKinley County, New Mexico · 13.4 MI N. Jct. I-40/491 · Structure no. 000000000009006
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Steel
- Length
- 48 ft
- 3 main spans
- Daily traffic
- 12,966
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-491 over Unnamed Waterway is a steel culvert carrying US-491 over Unnamed Waterway in McKinley County, New Mexico. It was built in 1999, so it is 26 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 12,966 vehicles a day, roughly 17% of them trucks, projected to reach 17,633 by 2043. The structure is 48 ft (14.6 m) long.
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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-491 over Unnamed Waterway built?
It was built in 1999, making it 26 years old in 2025.
What condition is US-491 over Unnamed Waterway 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 September 2023.
How much traffic does US-491 over Unnamed Waterway carry?
About 12,966 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US-491 over Unnamed Waterway?
The structure is 48 ft (14.6 m) long with a longest span of 12 ft (3.7 m).
Who owns US-491 over Unnamed Waterway?
It is owned by the State Highway Agency.