US Bridges

Briceland Road over Redwood Creek

Fair

Humboldt County, California · 0.1 MI E Bricelnd Tho RD · Structure no. 04C0212

Built
1949
76 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
78 ft
2 main spans
Daily traffic
250
2008 count
Owner
County
County Highway Agency

About this bridge

Briceland Road over Redwood Creek is a concrete continuous slab carrying Briceland Road over Redwood Creek in Humboldt County, California. It was built in 1949, so it is 76 years old, older 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 326 by 2041. The structure is 78 ft (23.8 m) long and 25 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesBriceland Road
CrossesRedwood Creek
Location0.1 MI E Bricelnd Tho RD
RouteCounty Highway 0
Coordinates40.10788, -123.8973
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2008)
Projected traffic326 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Briceland Road over Redwood Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is Briceland Road over Redwood Creek 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 July 2023.

How much traffic does Briceland Road over Redwood Creek carry?

About 250 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Briceland Road over Redwood Creek?

The structure is 78 ft (23.8 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns Briceland Road over Redwood Creek?

It is owned by the County Highway Agency.