Going-To-The-Sun R over Avalanche Creek
FairFlathead County, Montana · 17 Miles Northeast of U.S · Structure no. 1430018P0000000
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 59 ft
- 3 main spans
- Daily traffic
- 1,230
- 2017 count
- Owner
- Federal
- National Park Service
About this bridge
Going-To-The-Sun R over Avalanche Creek is a concrete continuous slab carrying Going-To-The-Sun R over Avalanche Creek in Flathead County, Montana. It was built in 1935, so it is 90 years old, older than the Montana average of 47 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 1,230 vehicles a day, roughly 10% of them trucks, projected to reach 1,476 by 2037. The structure is 59 ft (18.1 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Going-To-The-Sun R over Avalanche Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is Going-To-The-Sun R over Avalanche Creek 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 September 2023.
How much traffic does Going-To-The-Sun R over Avalanche Creek carry?
About 1,230 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is Going-To-The-Sun R over Avalanche Creek?
The structure is 59 ft (18.1 m) long with a longest span of 20 ft (6.2 m) and a deck 40 ft wide.
Who owns Going-To-The-Sun R over Avalanche Creek?
It is owned by the National Park Service.