US 180 over Little Colorado River
FairApache County, Arizona · 18.3 MI N JCT SR 61 · Structure no. 01668
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 164 ft
- 2 main spans
- Daily traffic
- 418
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 180 over Little Colorado River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 180 over Little Colorado River in Apache County, Arizona. It was built in 1975, so it is 50 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 418 vehicles a day, roughly 18% of them trucks, projected to reach 428 by 2042. The structure is 164 ft (50 m) long and 47 ft wide. If it were closed, the detour would be 51 mi (82 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 180 over Little Colorado River built?
It was built in 1975, making it 50 years old in 2025.
What condition is US 180 over Little Colorado 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 2024.
How much traffic does US 180 over Little Colorado River carry?
About 418 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is US 180 over Little Colorado River?
The structure is 164 ft (50 m) long with a longest span of 81 ft (24.7 m) and a deck 47 ft wide.
Who owns US 180 over Little Colorado River?
It is owned by the State Highway Agency.