NM-170 over Unnamed Waterway
GoodSan Juan County, New Mexico · 17.01 MI N of JCT US 64 · Structure no. 000000000009643
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Steel
- Length
- 33 ft
- 6 main spans
- Daily traffic
- 3,467
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-170 over Unnamed Waterway is a steel culvert carrying NM-170 over Unnamed Waterway in San Juan 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,467 vehicles a day, roughly 11% of them trucks, projected to reach 4,715 by 2043. The structure is 33 ft (10.1 m) long and 23 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-170 over Unnamed Waterway built?
It was built in 2015, making it 10 years old in 2025.
What condition is NM-170 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 NM-170 over Unnamed Waterway carry?
About 3,467 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-170 over Unnamed Waterway?
The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.7 m) and a deck 23 ft wide.
Who owns NM-170 over Unnamed Waterway?
It is owned by the State Highway Agency.