US Highway 199 NB over Hillside Above River
GoodDel Norte County, California · 01-DN-199-8.66 · Structure no. 01 0070
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 168 ft
- 6 main spans
- Daily traffic
- 3,750
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 199 NB over Hillside Above River is a concrete continuous slab carrying US Highway 199 NB over Hillside Above River in Del Norte County, California. It was built in 1979, so it is 46 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 3,750 vehicles a day, roughly 12% of them trucks, projected to reach 4,693 by 2042. The structure is 168 ft (51.2 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 199 NB over Hillside Above River built?
It was built in 1979, making it 46 years old in 2025.
What condition is US Highway 199 NB over Hillside Above River 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 September 2024.
How much traffic does US Highway 199 NB over Hillside Above River carry?
About 3,750 vehicles per day (2009 count), of which roughly 12% are trucks.
How long is US Highway 199 NB over Hillside Above River?
The structure is 168 ft (51.2 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.
Who owns US Highway 199 NB over Hillside Above River?
It is owned by the State Highway Agency.