Sun Canyon RD over Willow Creek 160
GoodLewis and Clark County, Montana · 6M NW Augusta · Structure no. 000000000007023
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 200
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Sun Canyon RD over Willow Creek 160 is a prestressed concrete tee beam carrying Sun Canyon RD over Willow Creek 160 in Lewis and Clark County, Montana. It was built in 2015, so it is 10 years old, younger than the Montana average of 47 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 200 vehicles a day, roughly 3% of them trucks, projected to reach 211 by 2043. The structure is 61 ft (18.5 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sun Canyon RD over Willow Creek 160 built?
It was built in 2015, making it 10 years old in 2025.
What condition is Sun Canyon RD over Willow Creek 160 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 Sun Canyon RD over Willow Creek 160 carry?
About 200 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Sun Canyon RD over Willow Creek 160?
The structure is 61 ft (18.5 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.
Who owns Sun Canyon RD over Willow Creek 160?
It is owned by the County Highway Agency.