Deer Creek Trlhd. over Gallatin River
FairPosted for loadGallatin County, Montana · Gallatin Canyon · Structure no. 011106000000078
- Built
- 1970
- 55 years old, rebuilt 1981
- Condition
- Fair
- inspected July 2024
- Type
- Truss - Thru
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 99
- Owner
- Federal
- U.S. Forest Service
About this bridge
Deer Creek Trlhd. over Gallatin River is a steel truss - thru carrying Deer Creek Trlhd. over Gallatin River in Gallatin County, Montana. It was built in 1970 and reconstructed in 1981, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 99 vehicles a day, projected to reach 148 by 2045. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Deer Creek Trlhd. over Gallatin River built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1981.
What condition is Deer Creek Trlhd. over Gallatin River 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 July 2024.
How much traffic does Deer Creek Trlhd. over Gallatin River carry?
About 99 vehicles per day (latest count).
How long is Deer Creek Trlhd. over Gallatin River?
The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.3 m) and a deck 16 ft wide.
Who owns Deer Creek Trlhd. over Gallatin River?
It is owned by the U.S. Forest Service.