State Route 20 over State Route 49
GoodNevada County, California · 03-NEV-020-R12.24-GVY · Structure no. 17 0049
- Built
- 1969
- 56 years old, rebuilt 1984
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 136 ft
- 1 main span
- Daily traffic
- 8,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over State Route 49 is a prestressed concrete box beam or girders - multiple carrying State Route 20 over State Route 49 in Nevada County, California. It was built in 1969 and reconstructed in 1984, so it is 56 years old, older 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 8,200 vehicles a day, roughly 6% of them trucks, projected to reach 31,222 by 2042. The structure is 136 ft (41.5 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 20 over State Route 49 built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1984.
What condition is State Route 20 over State Route 49 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 July 2024.
How much traffic does State Route 20 over State Route 49 carry?
About 8,200 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is State Route 20 over State Route 49?
The structure is 136 ft (41.5 m) long with a longest span of 134 ft (40.9 m) and a deck 85 ft wide.
Who owns State Route 20 over State Route 49?
It is owned by the State Highway Agency.