US Bridges

Briceland-Thorne over Mckee Creek

Fair

Humboldt County, California · 0.1 MI S/O Shelter Cove · Structure no. 04C0191

Built
1952
73 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
420
2008 count
Owner
County
County Highway Agency

About this bridge

Briceland-Thorne over Mckee Creek is a concrete tee beam carrying Briceland-Thorne over Mckee Creek in Humboldt County, California. It was built in 1952, so it is 73 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 420 vehicles a day, roughly 2% of them trucks, projected to reach 1,091 by 2045. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBriceland-Thorne
CrossesMckee Creek
Location0.1 MI S/O Shelter Cove
RouteCounty Highway 0
CountyHumboldt County
StateCalifornia
Coordinates40.06255, -123.96279
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span44 ft (13.5 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2008)
Projected traffic1,091 by 2045
Trucks2%
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 Briceland-Thorne over Mckee Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Briceland-Thorne over Mckee 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-Thorne over Mckee Creek carry?

About 420 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Briceland-Thorne over Mckee Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.5 m) and a deck 25 ft wide.

Who owns Briceland-Thorne over Mckee Creek?

It is owned by the County Highway Agency.