US Bridges

Ash Creek Road over Sacramento Riv Overflow

Fair

Shasta County, California · 0.9 MI E Balls Ferry RD · Structure no. 06C0171

Built
1977
48 years old
Condition
Fair
inspected September 2022
Type
Slab
Concrete Continuous
Length
321 ft
15 main spans
Daily traffic
850
2013 count
Owner
County
County Highway Agency

About this bridge

Ash Creek Road over Sacramento Riv Overflow is a concrete continuous slab carrying Ash Creek Road over Sacramento Riv Overflow in Shasta County, California. It was built in 1977, so it is 48 years old, younger 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 6 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 850 vehicles a day, roughly 5% of them trucks, projected to reach 3,265 by 2040. The structure is 321 ft (97.8 m) long and 29 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesAsh Creek Road
CrossesSacramento Riv Overflow
Location0.9 MI E Balls Ferry RD
RouteCounty Highway 0
Coordinates40.41523, -122.20016
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20 + Mod
Structure length321 ft (97.8 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2013)
Projected traffic3,265 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Ash Creek Road over Sacramento Riv Overflow built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ash Creek Road over Sacramento Riv Overflow 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 September 2022.

How much traffic does Ash Creek Road over Sacramento Riv Overflow carry?

About 850 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Ash Creek Road over Sacramento Riv Overflow?

The structure is 321 ft (97.8 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns Ash Creek Road over Sacramento Riv Overflow?

It is owned by the County Highway Agency.