US 160 Ml over Piedra River
FairArchuleta County, Colorado · 22 MI W. of Pagosa Spring · Structure no. P-07-A
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 165 ft
- 3 main spans
- Daily traffic
- 4,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 160 Ml over Piedra River is a steel continuous stringer/multi-beam or girder carrying US 160 Ml over Piedra River in Archuleta County, Colorado. It was built in 1954, so it is 71 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 4,300 vehicles a day, roughly 12% of them trucks, projected to reach 5,547 by 2040. The structure is 165 ft (50.2 m) long and 34 ft wide. If it were closed, the detour would be 21.7 mi (35 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US 160 Ml over Piedra River built?
It was built in 1954, making it 71 years old in 2025.
What condition is US 160 Ml over Piedra River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does US 160 Ml over Piedra River carry?
About 4,300 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is US 160 Ml over Piedra River?
The structure is 165 ft (50.2 m) long with a longest span of 58 ft (17.8 m) and a deck 34 ft wide.
Who owns US 160 Ml over Piedra River?
It is owned by the State Highway Agency.