Rock Creek RD over Rock Creek
PoorPosted for loadNevada County, California · 1 MI E of Rector RD · Structure no. 17C0057
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 80
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Rock Creek RD over Rock Creek is a steel stringer/multi-beam or girder carrying Rock Creek RD over Rock Creek in Nevada County, California. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.
It carries about 80 vehicles a day, roughly 5% of them trucks, projected to reach 110 by 2041. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Rock Creek RD over Rock Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is Rock Creek RD over Rock Creek 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 August 2023.
How much traffic does Rock Creek RD over Rock Creek carry?
About 80 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Rock Creek RD over Rock Creek?
The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.
Who owns Rock Creek RD over Rock Creek?
It is owned by the County Highway Agency.