S 35 over Spring Creek
FairFlathead County, Montana · 1M E Kalispell · Structure no. P00052050+04871
- Built
- 1966
- 59 years old, rebuilt 2003
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 93 ft
- 2 main spans
- Daily traffic
- 12,793
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 35 over Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying S 35 over Spring Creek in Flathead County, Montana. It was built in 1966 and reconstructed in 2003, so it is 59 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 12,793 vehicles a day, roughly 2% of them trucks, projected to reach 13,433 by 2043. The structure is 93 ft (28.3 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 7 Good | Some minor problems. |
| 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 S 35 over Spring Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2003.
What condition is S 35 over Spring 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 May 2023.
How much traffic does S 35 over Spring Creek carry?
About 12,793 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is S 35 over Spring Creek?
The structure is 93 ft (28.3 m) long with a longest span of 46 ft (14 m) and a deck 46 ft wide.
Who owns S 35 over Spring Creek?
It is owned by the State Highway Agency.