US Bridges

Road 35 over White Cabin Creek

Fair

Glenn County, California · 0.6 MI W/O Road D · Structure no. 11C0103

Built
1925
100 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
185
2010 count
Owner
County
County Highway Agency

About this bridge

Road 35 over White Cabin Creek is a concrete continuous tee beam carrying Road 35 over White Cabin Creek in Glenn County, California. It was built in 1925, so it is 100 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 185 vehicles a day, roughly 10% of them trucks, projected to reach 327 by 2047. The structure is 29 ft (8.8 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad 35
CrossesWhite Cabin Creek
Location0.6 MI W/O Road D
RouteCounty Highway 0
Coordinates39.61157, -122.26044
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.
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2010)
Projected traffic327 by 2047
Trucks10%
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 Road 35 over White Cabin Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Road 35 over White Cabin 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 February 2025.

How much traffic does Road 35 over White Cabin Creek carry?

About 185 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Road 35 over White Cabin Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 21 ft wide.

Who owns Road 35 over White Cabin Creek?

It is owned by the County Highway Agency.