US Bridges

Bayliss RD over Walker Creek

Fair

Glenn County, California · 1.1 MI E of I-5 · Structure no. 11C0128

Built
1965
60 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
228 ft
8 main spans
Daily traffic
1,167
2010 count
Owner
County
County Highway Agency

About this bridge

Bayliss RD over Walker Creek is a concrete continuous slab carrying Bayliss RD over Walker Creek in Glenn County, California. It was built in 1965, so it is 60 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 1,167 vehicles a day, roughly 20% of them trucks, projected to reach 1,964 by 2047. The structure is 228 ft (69.5 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesBayliss RD
CrossesWalker Creek
Location1.1 MI E of I-5
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.58376, -122.19161
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
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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,167 (2010)
Projected traffic1,964 by 2047
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Bayliss RD over Walker Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Bayliss RD 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 2025.

How much traffic does Bayliss RD over Walker Creek carry?

About 1,167 vehicles per day (2010 count), of which roughly 20% are trucks.

How long is Bayliss RD over Walker Creek?

The structure is 228 ft (69.5 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Bayliss RD over Walker Creek?

It is owned by the County Highway Agency.