US Bridges

Ash Creek Road over Anderson Creek

Good

Shasta County, California · 100 E Balls Ferry RD · Structure no. 06C0242

Built
1950
75 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
102 ft
5 main spans
Daily traffic
1,161
1996 count
Owner
County
County Highway Agency

About this bridge

Ash Creek Road over Anderson Creek is a concrete continuous slab carrying Ash Creek Road over Anderson Creek in Shasta County, California. It was built in 1950, so it is 75 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 1,161 vehicles a day, roughly 5% of them trucks, projected to reach 1,141 by 2045. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesAsh Creek Road
CrossesAnderson Creek
Location100 E Balls Ferry RD
RouteCounty Highway 0
Coordinates40.41803, -122.21372
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length102 ft (31.1 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,161 (1996)
Projected traffic1,141 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Ash Creek Road over Anderson Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Ash Creek Road over Anderson 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 Ash Creek Road over Anderson Creek carry?

About 1,161 vehicles per day (1996 count), of which roughly 5% are trucks.

How long is Ash Creek Road over Anderson Creek?

The structure is 102 ft (31.1 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Ash Creek Road over Anderson Creek?

It is owned by the County Highway Agency.