Slough RD over Lower Parks Creek
FairSiskiyou County, California · 4.1 MI S of Louie RD · Structure no. 02C0162
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 81 ft
- 2 main spans
- Daily traffic
- 7
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Slough RD over Lower Parks Creek is a steel continuous stringer/multi-beam or girder carrying Slough RD over Lower Parks Creek in Siskiyou County, California. It was built in 1975, so it is 50 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 7 vehicles a day, roughly 40% of them trucks, projected to reach 27 by 2041. The structure is 81 ft (24.6 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Slough RD over Lower Parks Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Slough RD over Lower Parks 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 June 2023.
How much traffic does Slough RD over Lower Parks Creek carry?
About 7 vehicles per day (2011 count), of which roughly 40% are trucks.
How long is Slough RD over Lower Parks Creek?
The structure is 81 ft (24.6 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.
Who owns Slough RD over Lower Parks Creek?
It is owned by the County Highway Agency.