Silver Bridge Road over Cow Creek
FairShasta County, California · 0.1 MI S Old RTE 44 DR · Structure no. 06C0056
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 170 ft
- 2 main spans
- Daily traffic
- 700
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Silver Bridge Road over Cow Creek is a prestressed concrete continuous box beam or girders - multiple carrying Silver Bridge Road over Cow Creek in Shasta County, California. It was built in 1986, so it is 39 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 1,664 by 2043. The structure is 170 ft (51.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silver Bridge Road over Cow Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is Silver Bridge Road over Cow 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 Silver Bridge Road over Cow Creek carry?
About 700 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Silver Bridge Road over Cow Creek?
The structure is 170 ft (51.7 m) long with a longest span of 83 ft (25.4 m) and a deck 35 ft wide.
Who owns Silver Bridge Road over Cow Creek?
It is owned by the County Highway Agency.