State Route 20 over Deer Creek
GoodNevada County, California · 03-NEV-020-R16.87-NEVC · Structure no. 17 0054
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 16,800
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Deer Creek is a concrete continuous tee beam carrying State Route 20 over Deer Creek in Nevada 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 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 16,800 vehicles a day, roughly 6% of them trucks, projected to reach 45,351 by 2046. The structure is 168 ft (51.2 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Deer Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is State Route 20 over Deer 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 July 2024.
How much traffic does State Route 20 over Deer Creek carry?
About 16,800 vehicles per day (2009 count), of which roughly 6% are trucks.
How long is State Route 20 over Deer Creek?
The structure is 168 ft (51.2 m) long with a longest span of 74 ft (22.6 m) and a deck 84 ft wide.
Who owns State Route 20 over Deer Creek?
It is owned by the State Highway Agency.