S 285 over Toston Canal
PoorBroadwater County, Montana · 2M W Toston · Structure no. S00285002+09001
- Built
- 1948
- 77 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 30 ft
- 3 main spans
- Daily traffic
- 422
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 285 over Toston Canal is a wood or timber stringer/multi-beam or girder carrying S 285 over Toston Canal in Broadwater County, Montana. It was built in 1948, so it is 77 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 422 vehicles a day, roughly 5% of them trucks, projected to reach 443 by 2043. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 S 285 over Toston Canal built?
It was built in 1948, making it 77 years old in 2025.
What condition is S 285 over Toston Canal 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 2024.
How much traffic does S 285 over Toston Canal carry?
About 422 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S 285 over Toston Canal?
The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.
Who owns S 285 over Toston Canal?
It is owned by the State Highway Agency.