Interstate 5 NB over Cottonwood Creek
FairSiskiyou County, California · 02-SIS-005-R63.65R · Structure no. 02 0175R
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 174 ft
- 2 main spans
- Daily traffic
- 15,300
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Cottonwood Creek is a concrete continuous box beam or girders - multiple carrying Interstate 5 NB over Cottonwood Creek in Siskiyou County, California. It was built in 1974, so it is 51 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 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 15,300 vehicles a day, roughly 29% of them trucks, projected to reach 19,857 by 2042. The structure is 174 ft (53 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 NB over Cottonwood Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Interstate 5 NB over Cottonwood Creek 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 September 2024.
How much traffic does Interstate 5 NB over Cottonwood Creek carry?
About 15,300 vehicles per day (2015 count), of which roughly 29% are trucks.
How long is Interstate 5 NB over Cottonwood Creek?
The structure is 174 ft (53 m) long with a longest span of 87 ft (26.5 m) and a deck 43 ft wide.
Who owns Interstate 5 NB over Cottonwood Creek?
It is owned by the State Highway Agency.