Sunset Hill RD over Blackfoot River 088
PoorPosted for loadMissoula County, Montana · 3M S Clearwater JCT · Structure no. L32406002+06001
- Built
- 1907
- 118 years old
- Condition
- Poor
- inspected June 2023
- Type
- Truss - Thru
- Steel
- Length
- 216 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Sunset Hill RD over Blackfoot River 088 is a steel truss - thru carrying Sunset Hill RD over Blackfoot River 088 in Missoula County, Montana. It was built in 1907, so it is 118 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 216 ft (65.8 m) long and 14 ft wide. If it were closed, the detour would be 13 mi (21 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Sunset Hill RD over Blackfoot River 088 built?
It was built in 1907, making it 118 years old in 2025.
What condition is Sunset Hill RD over Blackfoot River 088 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 June 2023.
How much traffic does Sunset Hill RD over Blackfoot River 088 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Sunset Hill RD over Blackfoot River 088?
The structure is 216 ft (65.8 m) long with a longest span of 150 ft (45.7 m) and a deck 14 ft wide.
Who owns Sunset Hill RD over Blackfoot River 088?
It is owned by the County Highway Agency.