SH 31 over Rainey Creek
GoodBonneville County, Idaho · In Swan Valley · Structure no. 000000000013831
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 2,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 31 over Rainey Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 31 over Rainey Creek in Bonneville County, Idaho. It was built in 2010, so it is 15 years old, younger than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,500 vehicles a day, roughly 12% of them trucks, projected to reach 3,750 by 2042. The structure is 52 ft (15.8 m) long and 50 ft wide. If it were closed, the detour would be 78.9 mi (127 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 31 over Rainey Creek built?
It was built in 2010, making it 15 years old in 2025.
What condition is SH 31 over Rainey Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does SH 31 over Rainey Creek carry?
About 2,500 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is SH 31 over Rainey Creek?
The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.8 m) and a deck 50 ft wide.
Who owns SH 31 over Rainey Creek?
It is owned by the State Highway Agency.