Lawndale Road over Kern Creek
FairSonoma County, California · 0.6 MI S SR 12 Kenwood · Structure no. 20C0480
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 650
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Lawndale Road over Kern Creek is a concrete slab carrying Lawndale Road over Kern Creek in Sonoma County, California. It was built in 1984, so it is 41 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 650 vehicles a day, roughly 1% of them trucks, projected to reach 959 by 2040. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lawndale Road over Kern Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Lawndale Road over Kern 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 May 2023.
How much traffic does Lawndale Road over Kern Creek carry?
About 650 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Lawndale Road over Kern Creek?
The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.
Who owns Lawndale Road over Kern Creek?
It is owned by the County Highway Agency.