Grizzly Flat Road over Steely Fk Cosumnes River
PoorEl Dorado County, California · 7.0 MI E of Mt Aukum RD · Structure no. 25C0090
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 2,080
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Grizzly Flat Road over Steely Fk Cosumnes River is a concrete stringer/multi-beam or girder carrying Grizzly Flat Road over Steely Fk Cosumnes River in El Dorado County, California. It was built in 1936, so it is 89 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,080 vehicles a day, roughly 10% of them trucks, projected to reach 2,438 by 2043. The structure is 66 ft (20.1 m) long and 25 ft wide. 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grizzly Flat Road over Steely Fk Cosumnes River built?
It was built in 1936, making it 89 years old in 2025.
What condition is Grizzly Flat Road over Steely Fk Cosumnes River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does Grizzly Flat Road over Steely Fk Cosumnes River carry?
About 2,080 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Grizzly Flat Road over Steely Fk Cosumnes River?
The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 25 ft wide.
Who owns Grizzly Flat Road over Steely Fk Cosumnes River?
It is owned by the County Highway Agency.