US Bridges

West Van Duzen RD over Van Duzen River

Fair

Trinity County, California · 4.5 MI N of Zenia-Ruth RD · Structure no. 05C0243

Built
2014
11 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
2 main spans
Daily traffic
200
2016 count
Owner
County
County Highway Agency

About this bridge

West Van Duzen RD over Van Duzen River is a steel continuous stringer/multi-beam or girder carrying West Van Duzen RD over Van Duzen River in Trinity 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 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 250 by 2042. The structure is 265 ft (80.8 m) long and 31 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

Location

Open in Google Maps
CarriesWest Van Duzen RD
CrossesVan Duzen River
Location4.5 MI N of Zenia-Ruth RD
RouteCounty Highway 0
CountyTrinity County
StateCalifornia
Coordinates40.34126, -123.47482
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length265 ft (80.8 m)
Longest span133 ft (40.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic250 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.3 mi (15 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was West Van Duzen RD over Van Duzen River built?

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

What condition is West Van Duzen RD over Van Duzen 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 June 2023.

How much traffic does West Van Duzen RD over Van Duzen River carry?

About 200 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is West Van Duzen RD over Van Duzen River?

The structure is 265 ft (80.8 m) long with a longest span of 133 ft (40.4 m) and a deck 31 ft wide.

Who owns West Van Duzen RD over Van Duzen River?

It is owned by the County Highway Agency.