Pacific Ave over Tongue River 056
FairCuster County, Montana · SW Edge Miles City · Structure no. L09054000+01001
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 373 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Pacific Ave over Tongue River 056 is a prestressed concrete stringer/multi-beam or girder carrying Pacific Ave over Tongue River 056 in Custer County, Montana. It was built in 2006, so it is 19 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 373 ft (113.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 Pacific Ave over Tongue River 056 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Pacific Ave over Tongue River 056 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 April 2023.
How much traffic does Pacific Ave over Tongue River 056 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Pacific Ave over Tongue River 056?
The structure is 373 ft (113.8 m) long with a longest span of 125 ft (38 m) and a deck 42 ft wide.
Who owns Pacific Ave over Tongue River 056?
It is owned by the County Highway Agency.