Frontage Road over Rock Cr;register Rock Br
FairPower County, Idaho · 9.0S 8.3W American Falls · Structure no. 000000000023575
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 86 ft
- 1 main span
- Daily traffic
- 100
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Frontage Road over Rock Cr;register Rock Br is a prestressed concrete stringer/multi-beam or girder carrying Frontage Road over Rock Cr;register Rock Br in Power County, Idaho. It was built in 1981, so it is 44 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 86 ft (26.2 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
| 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 Frontage Road over Rock Cr;register Rock Br built?
It was built in 1981, making it 44 years old in 2025.
What condition is Frontage Road over Rock Cr;register Rock Br 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 March 2023.
How much traffic does Frontage Road over Rock Cr;register Rock Br carry?
About 100 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Frontage Road over Rock Cr;register Rock Br?
The structure is 86 ft (26.2 m) long with a longest span of 83 ft (25.2 m) and a deck 34 ft wide.
Who owns Frontage Road over Rock Cr;register Rock Br?
It is owned by the County Highway Agency.