S 56 FH 5 over Bull River
FairSanders County, Montana · 13M NW Noxon · Structure no. P00056007+07551
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 82 ft
- 2 main spans
- Daily traffic
- 692
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 56 FH 5 over Bull River is a prestressed concrete stringer/multi-beam or girder carrying S 56 FH 5 over Bull River in Sanders County, Montana. It was built in 1971, so it is 54 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 692 vehicles a day, roughly 5% of them trucks, projected to reach 727 by 2043. The structure is 82 ft (25 m) long and 34 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
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 1971, making it 54 years old in 2025.
What condition is S 56 FH 5 over Bull River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 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 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.
Who owns S 56 FH 5 over Bull River?
It is owned by the State Highway Agency.