N Yellowstone Trl over Yellowstone River 010
FairSweet Grass County, Montana · 6M SW Big Timber · Structure no. L49028000+08001
- Built
- 2000
- 25 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 427 ft
- 3 main spans
- Daily traffic
- 129
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
N Yellowstone Trl over Yellowstone River 010 is a prestressed concrete stringer/multi-beam or girder carrying N Yellowstone Trl over Yellowstone River 010 in Sweet Grass County, Montana. It was built in 2000, so it is 25 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 129 vehicles a day, roughly 3% of them trucks, projected to reach 136 by 2043. The structure is 427 ft (130 m) long and 26 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Yellowstone Trl over Yellowstone River 010 built?
It was built in 2000, making it 25 years old in 2025.
What condition is N Yellowstone Trl over Yellowstone River 010 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 August 2023.
How much traffic does N Yellowstone Trl over Yellowstone River 010 carry?
About 129 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is N Yellowstone Trl over Yellowstone River 010?
The structure is 427 ft (130 m) long with a longest span of 143 ft (43.6 m) and a deck 26 ft wide.
Who owns N Yellowstone Trl over Yellowstone River 010?
It is owned by the County Highway Agency.