US Bridges

South Fork Road over Hurdygurdy Creek

Good

Del Norte County, California · 14.2 MI SE of JCT SR199 · Structure no. 01C0044

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
1 main span
Daily traffic
300
2000 count
Owner
County
County Highway Agency

About this bridge

South Fork Road over Hurdygurdy Creek is a steel stringer/multi-beam or girder carrying South Fork Road over Hurdygurdy Creek in Del Norte County, California. It was built in 2014, so it is 11 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 557 by 2045. The structure is 190 ft (57.9 m) long and 31 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesSouth Fork Road
CrossesHurdygurdy Creek
Location14.2 MI SE of JCT SR199
RouteCounty Highway 0
Coordinates41.68511, -123.91256
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length190 ft (57.9 m)
Longest span190 ft (57.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2000)
Projected traffic557 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Fork Road over Hurdygurdy Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is South Fork Road over Hurdygurdy 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 Hurdygurdy Creek carry?

About 300 vehicles per day (2000 count), of which roughly 10% are trucks.

How long is South Fork Road over Hurdygurdy Creek?

The structure is 190 ft (57.9 m) long with a longest span of 190 ft (57.9 m) and a deck 31 ft wide.

Who owns South Fork Road over Hurdygurdy Creek?

It is owned by the County Highway Agency.