US Bridges

Wilcox Road over Hat Creek

Good

Shasta County, California · 0.4 MI E of S.R. 89 · Structure no. 06C0235

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

Wilcox Road over Hat Creek is a prestressed concrete slab carrying Wilcox Road over Hat Creek in Shasta County, California. It was built in 1984, so it is 41 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 319 by 2041. The structure is 42 ft (12.7 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWilcox Road
CrossesHat Creek
Location0.4 MI E of S.R. 89
RouteCounty Highway 0
Coordinates40.75412, -121.4835
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.7 m)
Longest span38 ft (11.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic319 by 2041
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilcox Road over Hat Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Wilcox Road over Hat Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Wilcox Road over Hat Creek carry?

About 100 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Wilcox Road over Hat Creek?

The structure is 42 ft (12.7 m) long with a longest span of 38 ft (11.7 m) and a deck 25 ft wide.

Who owns Wilcox Road over Hat Creek?

It is owned by the County Highway Agency.