Saint Philip RD over Drainage
FairWibaux County, Montana · 15M SE Wibaux · Structure no. S00413003+08001
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 27 ft
- 1 main span
- Daily traffic
- 40
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Saint Philip RD over Drainage is a wood or timber stringer/multi-beam or girder carrying Saint Philip RD over Drainage in Wibaux County, Montana. It was built in 1954, so it is 71 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 6 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 40 vehicles a day, roughly 3% of them trucks, projected to reach 45 by 2043. The structure is 27 ft (8.1 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Saint Philip RD over Drainage built?
It was built in 1954, making it 71 years old in 2025.
What condition is Saint Philip RD over Drainage 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 August 2023.
How much traffic does Saint Philip RD over Drainage carry?
About 40 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Saint Philip RD over Drainage?
The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns Saint Philip RD over Drainage?
It is owned by the County Highway Agency.