US Bridges

CO RD 302 \ Clarks over S Fk Willow Creek

Fair

Glenn County, California · 1.9 MI W SH 162 · Structure no. 11C0165

Built
1916
109 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
46
2014 count
Owner
County
County Highway Agency

About this bridge

CO RD 302 \ Clarks over S Fk Willow Creek is a concrete continuous tee beam carrying CO RD 302 \ Clarks over S Fk Willow Creek in Glenn County, California. It was built in 1916, so it is 109 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 46 vehicles a day, projected to reach 57 by 2043. The structure is 62 ft (18.9 m) long and 21 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCO RD 302 \ Clarks
CrossesS Fk Willow Creek
Location1.9 MI W SH 162
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.54205, -122.39007
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.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2014)
Projected traffic57 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 CO RD 302 \ Clarks over S Fk Willow Creek built?

It was built in 1916, making it 109 years old in 2025.

What condition is CO RD 302 \ Clarks over S Fk Willow 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 August 2023.

How much traffic does CO RD 302 \ Clarks over S Fk Willow Creek carry?

About 46 vehicles per day (2014 count).

How long is CO RD 302 \ Clarks over S Fk Willow Creek?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns CO RD 302 \ Clarks over S Fk Willow Creek?

It is owned by the County Highway Agency.