US 30 over Portneuf River
GoodBannock County, Idaho · Pocatello Wcl · Structure no. 000000000013696
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 5,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Portneuf River is a prestressed concrete box beam or girders - multiple carrying US 30 over Portneuf River in Bannock County, Idaho. It was built in 2000, so it is 25 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 5,300 vehicles a day, roughly 19% of them trucks, projected to reach 7,950 by 2042. The structure is 85 ft (25.9 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over Portneuf River built?
It was built in 2000, making it 25 years old in 2025.
What condition is US 30 over Portneuf River 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 November 2024.
How much traffic does US 30 over Portneuf River carry?
About 5,300 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is US 30 over Portneuf River?
The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.6 m) and a deck 85 ft wide.
Who owns US 30 over Portneuf River?
It is owned by the State Highway Agency.