S 35 over Mill Creek
FairFlathead County, Montana · 1M E Creston · Structure no. P00052040+08471
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 7,194
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 35 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying S 35 over Mill Creek in Flathead County, Montana. It was built in 1995, so it is 30 years old, younger 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 7,194 vehicles a day, roughly 2% of them trucks, projected to reach 7,770 by 2043. The structure is 72 ft (21.9 m) long and 42 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 Mill Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is S 35 over Mill 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 April 2023.
How much traffic does S 35 over Mill Creek carry?
About 7,194 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is S 35 over Mill Creek?
The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.
Who owns S 35 over Mill Creek?
It is owned by the State Highway Agency.