US Bridges

Wildwood-Mad River over Dubakella Creek

PoorClosed to traffic

Trinity County, California · No Data Entered · Structure no. 051451000001077

Built
1972
53 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Wildwood-Mad River over Dubakella Creek is a wood or timber stringer/multi-beam or girder carrying Wildwood-Mad River over Dubakella Creek in Trinity County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 52 ft (15.7 m) long and 29 ft wide.

CarriesWildwood-Mad River
CrossesDubakella Creek
LocationNo Data Entered
RouteFederal Lands Road 29N30
Coordinates40.36093, -123.08956
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry7: Better than present minimum criteria
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length52 ft (15.7 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wildwood-Mad River over Dubakella Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Wildwood-Mad River over Dubakella Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Wildwood-Mad River over Dubakella Creek carry?

About 50 vehicles per day (latest count).

How long is Wildwood-Mad River over Dubakella Creek?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns Wildwood-Mad River over Dubakella Creek?

It is owned by the U.S. Forest Service.