Main Street over Castle Creek
FairShasta County, California · 0.2 MI S Castle CR RD I-5 · Structure no. 06C0077
- Built
- 1918
- 107 years old, rebuilt 1931
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 121 ft
- 3 main spans
- Daily traffic
- 452
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Main Street over Castle Creek is a concrete continuous tee beam carrying Main Street over Castle Creek in Shasta County, California. It was built in 1918 and reconstructed in 1931, so it is 107 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 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 452 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 121 ft (36.9 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main Street over Castle Creek built?
It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1931.
What condition is Main Street over Castle 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 Main Street over Castle Creek carry?
About 452 vehicles per day (2013 count), of which roughly 5% are trucks.
How long is Main Street over Castle Creek?
The structure is 121 ft (36.9 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.
Who owns Main Street over Castle Creek?
It is owned by the County Highway Agency.