U.S. Highway 199 over Middle Fork Smith River
GoodDel Norte County, California · 01-DN-199-R17.06 · Structure no. 01 0044
- Built
- 1965
- 60 years old, rebuilt 1976
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 560 ft
- 5 main spans
- Daily traffic
- 3,100
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 199 over Middle Fork Smith River is a concrete continuous box beam or girders - multiple carrying U.S. Highway 199 over Middle Fork Smith River in Del Norte County, California. It was built in 1965 and reconstructed in 1976, so it is 60 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 3,100 vehicles a day, roughly 14% of them trucks, projected to reach 3,826 by 2042. The structure is 560 ft (170.7 m) long and 62 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 | 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 U.S. Highway 199 over Middle Fork Smith River built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1976.
What condition is U.S. Highway 199 over Middle Fork Smith 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 U.S. Highway 199 over Middle Fork Smith River carry?
About 3,100 vehicles per day (2009 count), of which roughly 14% are trucks.
How long is U.S. Highway 199 over Middle Fork Smith River?
The structure is 560 ft (170.7 m) long with a longest span of 130 ft (39.6 m) and a deck 62 ft wide.
Who owns U.S. Highway 199 over Middle Fork Smith River?
It is owned by the State Highway Agency.