US Bridges

South ST over A.C.I.D. Canal

Good

Shasta County, California · 0.2 MI W Athens Ave · Structure no. 06C0152

Built
1989
36 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete Continuous
Length
54 ft
2 main spans
Daily traffic
5,622
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

South ST over A.C.I.D. Canal is a concrete continuous slab carrying South ST over A.C.I.D. Canal in Shasta County, California. It was built in 1989, so it is 36 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 5,622 vehicles a day, roughly 2% of them trucks, projected to reach 10,796 by 2044. The structure is 54 ft (16.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSouth ST
CrossesA.C.I.D. Canal
Location0.2 MI W Athens Ave
RouteCity Street 0
CountyShasta County
StateCalifornia
Coordinates40.57868, -122.37794
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,622 (2012)
Projected traffic10,796 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 South ST over A.C.I.D. Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is South ST over A.C.I.D. Canal 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 March 2022.

How much traffic does South ST over A.C.I.D. Canal carry?

About 5,622 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is South ST over A.C.I.D. Canal?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 52 ft wide.

Who owns South ST over A.C.I.D. Canal?

It is owned by the City or Municipal Highway Agency.