South Fork Road over Boulder Creek
GoodDel Norte County, California · 9.2 MI SE JCT US 199 · Structure no. 01C0042
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 105 ft
- 32 main spans
- Daily traffic
- 344
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
South Fork Road over Boulder Creek is a prestressed concrete stringer/multi-beam or girder carrying South Fork Road over Boulder Creek in Del Norte County, California. It was built in 2009, so it is 16 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 344 vehicles a day, roughly 10% of them trucks, projected to reach 546 by 2041. The structure is 105 ft (32 m) long and 35 ft wide. If it were closed, the detour would be 40.4 mi (65 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 South Fork Road over Boulder Creek built?
It was built in 2009, making it 16 years old in 2025.
What condition is South Fork Road over Boulder Creek 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 June 2023.
How much traffic does South Fork Road over Boulder Creek carry?
About 344 vehicles per day (2000 count), of which roughly 10% are trucks.
How long is South Fork Road over Boulder Creek?
The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 35 ft wide.
Who owns South Fork Road over Boulder Creek?
It is owned by the County Highway Agency.