U.S. Highway 199 over Middle Fork Smith River
FairDel Norte County, California · 01-DN-199-24.08 · Structure no. 01 0015
- Built
- 1925
- 100 years old, rebuilt 1972
- Condition
- Fair
- inspected September 2024
- Type
- Arch - Deck
- Concrete
- Length
- 149 ft
- 1 main span
- Daily traffic
- 3,750
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 199 over Middle Fork Smith River is a concrete arch - deck carrying U.S. Highway 199 over Middle Fork Smith River in Del Norte County, California. It was built in 1925 and reconstructed in 1972, so it is 100 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 3,750 vehicles a day, roughly 14% of them trucks, projected to reach 4,540 by 2042. The structure is 149 ft (45.4 m) long and 25 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 U.S. Highway 199 over Middle Fork Smith River built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1972.
What condition is U.S. Highway 199 over Middle Fork Smith River 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 September 2024.
How much traffic does U.S. Highway 199 over Middle Fork Smith River carry?
About 3,750 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 149 ft (45.4 m) long with a longest span of 83 ft (25.3 m) and a deck 25 ft wide.
Who owns U.S. Highway 199 over Middle Fork Smith River?
It is owned by the State Highway Agency.