US-491 over NM118/BNSF Rr/Rio Puerco
GoodMcKinley County, New Mexico · JCT US-602/NM-118/GALLUP · Structure no. 000000000007384
- Built
- 1974
- 51 years old, rebuilt 2007
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 955 ft
- 9 main spans
- Daily traffic
- 28,030
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-491 over NM118/BNSF Rr/Rio Puerco is a steel continuous stringer/multi-beam or girder carrying US-491 over NM118/BNSF Rr/Rio Puerco in McKinley County, New Mexico. It was built in 1974 and reconstructed in 2007, so it is 51 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 28,030 vehicles a day, roughly 17% of them trucks, projected to reach 38,120 by 2043. The structure is 955 ft (291.1 m) long and 75 ft wide. If it were closed, the detour would be 8.1 mi (13 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 US-491 over NM118/BNSF Rr/Rio Puerco built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2007.
What condition is US-491 over NM118/BNSF Rr/Rio Puerco 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 February 2024.
How much traffic does US-491 over NM118/BNSF Rr/Rio Puerco carry?
About 28,030 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US-491 over NM118/BNSF Rr/Rio Puerco?
The structure is 955 ft (291.1 m) long with a longest span of 159 ft (48.5 m) and a deck 75 ft wide.
Who owns US-491 over NM118/BNSF Rr/Rio Puerco?
It is owned by the State Highway Agency.