S 56 FH 5 over Bull River
PoorSanders County, Montana · 17M NW Noxon · Structure no. P00056012+03771
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 692
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 56 FH 5 over Bull River is a concrete continuous slab carrying S 56 FH 5 over Bull River in Sanders County, Montana. It was built in 1960, so it is 65 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 692 vehicles a day, roughly 5% of them trucks, projected to reach 727 by 2043. The structure is 77 ft (23.5 m) long and 29 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 56 FH 5 over Bull River built?
It was built in 1960, making it 65 years old in 2025.
What condition is S 56 FH 5 over Bull 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 August 2024.
How much traffic does S 56 FH 5 over Bull River carry?
About 692 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S 56 FH 5 over Bull River?
The structure is 77 ft (23.5 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.
Who owns S 56 FH 5 over Bull River?
It is owned by the State Highway Agency.