Old US 10 over Upper Deer Creek 005
GoodSweet Grass County, Montana · 4M NW Greycliff · Structure no. L49125004+03001
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 556
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old US 10 over Upper Deer Creek 005 is a prestressed concrete stringer/multi-beam or girder carrying Old US 10 over Upper Deer Creek 005 in Sweet Grass County, Montana. It was built in 1975, so it is 50 years old, older 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 556 vehicles a day, roughly 3% of them trucks, projected to reach 587 by 2043. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old US 10 over Upper Deer Creek 005 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Old US 10 over Upper Deer Creek 005 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 August 2023.
How much traffic does Old US 10 over Upper Deer Creek 005 carry?
About 556 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Old US 10 over Upper Deer Creek 005?
The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.
Who owns Old US 10 over Upper Deer Creek 005?
It is owned by the State Highway Agency.