Old Highway DR over Summit Creek
FairNevada County, California · Near Donner Lake · Structure no. 17C0078
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 79 ft
- 2 main spans
- Daily traffic
- 500
- 2011 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Old Highway DR over Summit Creek is a concrete continuous slab carrying Old Highway DR over Summit Creek in Nevada County, California. It was built in 1970, so it is 55 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 6 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 707 by 2046. The structure is 79 ft (24 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Highway DR over Summit Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Old Highway DR over Summit 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 August 2024.
How much traffic does Old Highway DR over Summit Creek carry?
About 500 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Old Highway DR over Summit Creek?
The structure is 79 ft (24 m) long with a longest span of 38 ft (11.7 m) and a deck 29 ft wide.
Who owns Old Highway DR over Summit Creek?
It is owned by the Town or Township Highway Agency.