8 Mile RD over Milk River 078
FairPosted for loadBlaine County, Montana · 5M SE Zurich · Structure no. L03305012+08001
- Built
- 1930
- 95 years old, rebuilt 1940
- Condition
- Fair
- inspected May 2024
- Type
- Truss - Thru
- Steel
- Length
- 245 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
8 Mile RD over Milk River 078 is a steel truss - thru carrying 8 Mile RD over Milk River 078 in Blaine County, Montana. It was built in 1930 and reconstructed in 1940, so it is 95 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 245 ft (74.8 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 8 Mile RD over Milk River 078 built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1940.
What condition is 8 Mile RD over Milk River 078 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 May 2024.
How much traffic does 8 Mile RD over Milk River 078 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is 8 Mile RD over Milk River 078?
The structure is 245 ft (74.8 m) long with a longest span of 120 ft (36.6 m) and a deck 21 ft wide.
Who owns 8 Mile RD over Milk River 078?
It is owned by the County Highway Agency.