S 78 over Joe Hill Creek
GoodStillwater County, Montana · 4M SW Columbus · Structure no. P00078042+00391
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 98 ft
- 1 main span
- Daily traffic
- 2,376
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 78 over Joe Hill Creek is a prestressed concrete stringer/multi-beam or girder carrying S 78 over Joe Hill Creek in Stillwater County, Montana. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,376 vehicles a day, roughly 6% of them trucks, projected to reach 2,542 by 2043. The structure is 98 ft (29.8 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 78 over Joe Hill Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is S 78 over Joe Hill Creek 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 S 78 over Joe Hill Creek carry?
About 2,376 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is S 78 over Joe Hill Creek?
The structure is 98 ft (29.8 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.
Who owns S 78 over Joe Hill Creek?
It is owned by the State Highway Agency.