State Route 20 over Broaddus Creek
FairMendocino County, California · 01-MEN-020-R32.82-WLTS · Structure no. 10 0054
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 129 ft
- 3 main spans
- Daily traffic
- 5,450
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Broaddus Creek is a concrete continuous tee beam carrying State Route 20 over Broaddus Creek in Mendocino County, California. It was built in 1966, so it is 59 years old, older 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 5,450 vehicles a day, roughly 11% of them trucks, projected to reach 7,326 by 2045. The structure is 129 ft (39.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 20 over Broaddus Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is State Route 20 over Broaddus 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 State Route 20 over Broaddus Creek carry?
About 5,450 vehicles per day (2009 count), of which roughly 11% are trucks.
How long is State Route 20 over Broaddus Creek?
The structure is 129 ft (39.3 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.
Who owns State Route 20 over Broaddus Creek?
It is owned by the State Highway Agency.