US Bridges

County Road #25 over Branch Walker Creek

Fair

Glenn County, California · 0.2 MI W CO RD H · Structure no. 11C0111

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
378
2011 count
Owner
County
County Highway Agency

About this bridge

County Road #25 over Branch Walker Creek is a concrete continuous culvert carrying County Road #25 over Branch Walker Creek in Glenn County, California. It was built in 1970, so it is 55 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 6 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 378 vehicles a day, roughly 15% of them trucks, projected to reach 500 by 2047. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road #25
CrossesBranch Walker Creek
Location0.2 MI W CO RD H
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.69709, -122.21904
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2011)
Projected traffic500 by 2047
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 County Road #25 over Branch Walker Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road #25 over Branch Walker 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 County Road #25 over Branch Walker Creek carry?

About 378 vehicles per day (2011 count), of which roughly 15% are trucks.

How long is County Road #25 over Branch Walker Creek?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m) and a deck 32 ft wide.

Who owns County Road #25 over Branch Walker Creek?

It is owned by the County Highway Agency.