US Bridges

County RD 33 over Walker Creek

Fair

Glenn County, California · 0.4 MI E of 1-5 · Structure no. 11C0265

Built
2006
19 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
144 ft
5 main spans
Daily traffic
489
2011 count
Owner
County
County Highway Agency

About this bridge

County RD 33 over Walker Creek is a concrete continuous slab carrying County RD 33 over Walker Creek in Glenn County, California. It was built in 2006, so it is 19 years old, younger 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 489 vehicles a day, roughly 10% of them trucks, projected to reach 539 by 2045. The structure is 144 ft (44 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty RD 33
CrossesWalker Creek
Location0.4 MI E of 1-5
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.62415, -122.19697
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length144 ft (44 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic489 (2011)
Projected traffic539 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 RD 33 over Walker Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is County RD 33 over 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 2023.

How much traffic does County RD 33 over Walker Creek carry?

About 489 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is County RD 33 over Walker Creek?

The structure is 144 ft (44 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns County RD 33 over Walker Creek?

It is owned by the County Highway Agency.