STC5731;ST Joe Rvr over North Fork St. Joe River
FairShoshone County, Idaho · 0.5 E. Avery · Structure no. 000000000020438
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 175 ft
- 3 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
STC5731;ST Joe Rvr over North Fork St. Joe River is a prestressed concrete stringer/multi-beam or girder carrying STC5731;ST Joe Rvr over North Fork St. Joe River in Shoshone County, Idaho. It was built in 1990, so it is 35 years old, younger than the Idaho average of 45.3 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 300 vehicles a day, roughly 25% of them trucks, projected to reach 450 by 2042. The structure is 175 ft (53.3 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was STC5731;ST Joe Rvr over North Fork St. Joe River built?
It was built in 1990, making it 35 years old in 2025.
What condition is STC5731;ST Joe Rvr over North Fork St. Joe 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 August 2024.
How much traffic does STC5731;ST Joe Rvr over North Fork St. Joe River carry?
About 300 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is STC5731;ST Joe Rvr over North Fork St. Joe River?
The structure is 175 ft (53.3 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.
Who owns STC5731;ST Joe Rvr over North Fork St. Joe River?
It is owned by the County Highway Agency.