US Bridges

Golden Gate DR over Van Duzen River

Good

Humboldt County, California · 0.5 MI S of SR 36 · Structure no. 04C0126

Built
1985
40 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
301 ft
3 main spans
Daily traffic
58
2011 count
Owner
County
County Highway Agency

About this bridge

Golden Gate DR over Van Duzen River is a prestressed concrete continuous box beam or girders - multiple carrying Golden Gate DR over Van Duzen River in Humboldt County, California. It was built in 1985, so it is 40 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 58 vehicles a day, roughly 1% of them trucks, projected to reach 86 by 2046. The structure is 301 ft (91.7 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGolden Gate DR
CrossesVan Duzen River
Location0.5 MI S of SR 36
RouteCounty Highway 0
Coordinates40.46094, -123.84155
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span120 ft (36.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2011)
Projected traffic86 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Golden Gate DR over Van Duzen River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Golden Gate DR over Van Duzen 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 February 2024.

How much traffic does Golden Gate DR over Van Duzen River carry?

About 58 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Golden Gate DR over Van Duzen River?

The structure is 301 ft (91.7 m) long with a longest span of 120 ft (36.6 m) and a deck 25 ft wide.

Who owns Golden Gate DR over Van Duzen River?

It is owned by the County Highway Agency.