Island Road over Scott River Overflow
FairSiskiyou County, California · 0.1 MI W of Island RD · Structure no. 02C0175
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 79 ft
- 3 main spans
- Daily traffic
- 86
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Island Road over Scott River Overflow is a concrete continuous slab carrying Island Road over Scott River Overflow in Siskiyou County, California. It was built in 1977, so it is 48 years old, younger than the California average of 54.8 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 86 vehicles a day, roughly 10% of them trucks, projected to reach 344 by 2042. The structure is 79 ft (24.1 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 Island Road over Scott River Overflow built?
It was built in 1977, making it 48 years old in 2025.
What condition is Island Road over Scott River Overflow 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 June 2024.
How much traffic does Island Road over Scott River Overflow carry?
About 86 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is Island Road over Scott River Overflow?
The structure is 79 ft (24.1 m) long with a longest span of 26 ft (7.8 m) and a deck 25 ft wide.
Who owns Island Road over Scott River Overflow?
It is owned by the County Highway Agency.