U.S. Highway 101 over Smith Riv South Bank RD
FairDel Norte County, California · 01-DN-101-36.06 · Structure no. 01 0020
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,051 ft
- 6 main spans
- Daily traffic
- 6,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Smith Riv South Bank RD is a steel continuous stringer/multi-beam or girder carrying U.S. Highway 101 over Smith Riv South Bank RD in Del Norte County, California. It was built in 1940, so it is 85 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 5 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 6,500 vehicles a day, roughly 13% of them trucks, projected to reach 13,561 by 2043. The structure is 1,051 ft (320.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Smith Riv South Bank RD built?
It was built in 1940, making it 85 years old in 2025.
What condition is U.S. Highway 101 over Smith Riv South Bank RD 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 2023.
How much traffic does U.S. Highway 101 over Smith Riv South Bank RD carry?
About 6,500 vehicles per day (2009 count), of which roughly 13% are trucks.
How long is U.S. Highway 101 over Smith Riv South Bank RD?
The structure is 1,051 ft (320.3 m) long with a longest span of 180 ft (54.9 m) and a deck 32 ft wide.
Who owns U.S. Highway 101 over Smith Riv South Bank RD?
It is owned by the State Highway Agency.