US 30 over Portneuf River;mccammon
FairBannock County, Idaho · 0.5 N. Mccammon · Structure no. 000000000012015
- Built
- 1963
- 62 years old, rebuilt 2001
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 207 ft
- 3 main spans
- Daily traffic
- 4,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Portneuf River;mccammon is a prestressed concrete stringer/multi-beam or girder carrying US 30 over Portneuf River;mccammon in Bannock County, Idaho. It was built in 1963 and reconstructed in 2001, so it is 62 years old, older 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 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 4,700 vehicles a day, roughly 21% of them trucks, projected to reach 7,050 by 2042. The structure is 207 ft (63.1 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over Portneuf River;mccammon built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2001.
What condition is US 30 over Portneuf River;mccammon 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 October 2024.
How much traffic does US 30 over Portneuf River;mccammon carry?
About 4,700 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is US 30 over Portneuf River;mccammon?
The structure is 207 ft (63.1 m) long with a longest span of 69 ft (21 m) and a deck 76 ft wide.
Who owns US 30 over Portneuf River;mccammon?
It is owned by the State Highway Agency.