I-5 Offrmp/Klamath over Williams Creek
FairSiskiyou County, California · 02-SIS-005-R58.10L · Structure no. 02 0192Y
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 60
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Offrmp/Klamath over Williams Creek is a concrete continuous culvert carrying I-5 Offrmp/Klamath over Williams Creek in Siskiyou County, California. It was built in 1969, so it is 56 years old, older 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 60 vehicles a day, roughly 8% of them trucks, projected to reach 120 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 13 mi (21 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-5 Offrmp/Klamath over Williams Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is I-5 Offrmp/Klamath over Williams 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 2023.
How much traffic does I-5 Offrmp/Klamath over Williams Creek carry?
About 60 vehicles per day (2015 count), of which roughly 8% are trucks.
How long is I-5 Offrmp/Klamath over Williams Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns I-5 Offrmp/Klamath over Williams Creek?
It is owned by the State Highway Agency.