US 89 FH 32 over Belt Creek
PoorCascade County, Montana · 9M S Belt · Structure no. P00060064+11011
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 166 ft
- 3 main spans
- Daily traffic
- 833
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 89 FH 32 over Belt Creek is a prestressed concrete stringer/multi-beam or girder carrying US 89 FH 32 over Belt Creek in Cascade County, Montana. It was built in 1968, so it is 57 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 833 vehicles a day, roughly 5% of them trucks, projected to reach 875 by 2043. The structure is 166 ft (50.6 m) long and 43 ft wide. If it were closed, the detour would be 23 mi (37 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 89 FH 32 over Belt Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is US 89 FH 32 over Belt Creek 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 US 89 FH 32 over Belt Creek carry?
About 833 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 89 FH 32 over Belt Creek?
The structure is 166 ft (50.6 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.
Who owns US 89 FH 32 over Belt Creek?
It is owned by the State Highway Agency.