Chalk Mtn RD over North Fork Cache Creek
PoorPosted for loadLake County, California · In Spring Valley Lake Dev · Structure no. 14C0048
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 209 ft
- 5 main spans
- Daily traffic
- 15
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Chalk Mtn RD over North Fork Cache Creek is a steel stringer/multi-beam or girder carrying Chalk Mtn RD over North Fork Cache Creek in Lake County, California. It was built in 1967, so it is 58 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 15 vehicles a day, projected to reach 29 by 2044. The structure is 209 ft (63.7 m) long and 16 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 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chalk Mtn RD over North Fork Cache Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Chalk Mtn RD over North Fork Cache 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 November 2024.
How much traffic does Chalk Mtn RD over North Fork Cache Creek carry?
About 15 vehicles per day (2016 count).
How long is Chalk Mtn RD over North Fork Cache Creek?
The structure is 209 ft (63.7 m) long with a longest span of 42 ft (12.8 m) and a deck 16 ft wide.
Who owns Chalk Mtn RD over North Fork Cache Creek?
It is owned by the County Highway Agency.