US Bridges

Wildcat RD over Ash Creek

Good

Shasta County, California · 0.2 MI E of Ash Crk RD · Structure no. 06C0304

Built
1960
65 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
73 ft
4 main spans
Daily traffic
200
2013 count
Owner
County
County Highway Agency

About this bridge

Wildcat RD over Ash Creek is a concrete continuous slab carrying Wildcat RD over Ash Creek in Shasta County, California. It was built in 1960, so it is 65 years old, older 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2045. The structure is 73 ft (22.3 m) long and 29 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesWildcat RD
CrossesAsh Creek
Location0.2 MI E of Ash Crk RD
RouteCounty Highway 0
Coordinates40.46276, -122.09414
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span18 ft (5.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic250 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Wildcat RD over Ash Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Wildcat RD over Ash 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 September 2024.

How much traffic does Wildcat RD over Ash Creek carry?

About 200 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Wildcat RD over Ash Creek?

The structure is 73 ft (22.3 m) long with a longest span of 18 ft (5.5 m) and a deck 29 ft wide.

Who owns Wildcat RD over Ash Creek?

It is owned by the County Highway Agency.