Moffett Creek RD over Moffett Creek
FairSiskiyou County, California · 2.6 MI East SR 3 · Structure no. 02C0178
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 145
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Moffett Creek RD over Moffett Creek is a prestressed concrete slab carrying Moffett Creek RD over Moffett Creek in Siskiyou County, California. It was built in 1989, so it is 36 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 145 vehicles a day, roughly 10% of them trucks, projected to reach 132 by 2041. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 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 Moffett Creek RD over Moffett Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Moffett Creek RD over Moffett 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 July 2023.
How much traffic does Moffett Creek RD over Moffett Creek carry?
About 145 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is Moffett Creek RD over Moffett Creek?
The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13 m) and a deck 24 ft wide.
Who owns Moffett Creek RD over Moffett Creek?
It is owned by the County Highway Agency.