State Route 20 over Broaddus Creek
GoodMendocino County, California · 01-MEN-020-31.20 · Structure no. 10 0104
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected May 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 83 ft
- 1 main span
- Daily traffic
- 2,700
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Broaddus Creek is a prestressed concrete box beam or girders - multiple carrying State Route 20 over Broaddus Creek in Mendocino County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,700 vehicles a day, projected to reach 4,703 by 2043. The structure is 83 ft (25.2 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 20 over Broaddus Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is State Route 20 over Broaddus Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2021.
How much traffic does State Route 20 over Broaddus Creek carry?
About 2,700 vehicles per day (2009 count).
How long is State Route 20 over Broaddus Creek?
The structure is 83 ft (25.2 m) long with a longest span of 78 ft (23.9 m) and a deck 46 ft wide.
Who owns State Route 20 over Broaddus Creek?
It is owned by the State Highway Agency.