Upper Deer CR RD over Upper Deer Creek 028
PoorPosted for loadSweet Grass County, Montana · 6M SE Big Timber · Structure no. L49109002+03001
- Built
- 1975
- 50 years old
- Condition
- Poor
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 44 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Upper Deer CR RD over Upper Deer Creek 028 is a steel stringer/multi-beam or girder carrying Upper Deer CR RD over Upper Deer Creek 028 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 44 ft (13.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Upper Deer CR RD over Upper Deer Creek 028 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Upper Deer CR RD over Upper Deer Creek 028 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.
How much traffic does Upper Deer CR RD over Upper Deer Creek 028 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Upper Deer CR RD over Upper Deer Creek 028?
The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 16 ft wide.
Who owns Upper Deer CR RD over Upper Deer Creek 028?
It is owned by the County Highway Agency.