S 529-CLEAR CR RD over Milk River
PoorBlaine County, Montana · 1M W Chinook · Structure no. S00529001+00001
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 3 main spans
- Daily traffic
- 256
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 529-CLEAR CR RD over Milk River is a prestressed concrete stringer/multi-beam or girder carrying S 529-CLEAR CR RD over Milk River in Blaine County, Montana. It was built in 1967, so it is 58 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.
It carries about 256 vehicles a day, roughly 1% of them trucks, projected to reach 269 by 2043. The structure is 217 ft (66.1 m) long and 35 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 529-CLEAR CR RD over Milk River built?
It was built in 1967, making it 58 years old in 2025.
What condition is S 529-CLEAR CR RD over Milk River 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 September 2023.
How much traffic does S 529-CLEAR CR RD over Milk River carry?
About 256 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is S 529-CLEAR CR RD over Milk River?
The structure is 217 ft (66.1 m) long with a longest span of 72 ft (21.8 m) and a deck 35 ft wide.
Who owns S 529-CLEAR CR RD over Milk River?
It is owned by the State Highway Agency.