US Bridges

Smit Bottom RD over A.C.I.D. Canal

Fair

Shasta County, California · 0.2 MI South of First ST · Structure no. 06C0388

Built
2015
10 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
320
2016 count
Owner
County
County Highway Agency

About this bridge

Smit Bottom RD over A.C.I.D. Canal is a concrete slab carrying Smit Bottom RD over A.C.I.D. Canal in Shasta County, California. It was built in 2015, so it is 10 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 320 vehicles a day, roughly 1% of them trucks, projected to reach 397 by 2044. The structure is 47 ft (14.2 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSmit Bottom RD
CrossesA.C.I.D. Canal
Location0.2 MI South of First ST
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.38414, -122.30723
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2016)
Projected traffic397 by 2044
Trucks1%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Smit Bottom RD over A.C.I.D. Canal built?

It was built in 2015, making it 10 years old in 2025.

What condition is Smit Bottom RD over A.C.I.D. Canal 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 2024.

How much traffic does Smit Bottom RD over A.C.I.D. Canal carry?

About 320 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Smit Bottom RD over A.C.I.D. Canal?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns Smit Bottom RD over A.C.I.D. Canal?

It is owned by the County Highway Agency.