US Bridges

Ave 412 over Alta Canal

Fair

Tulare County, California · 0.7 MI E of RD 144 · Structure no. 46C0422

Built
1950
75 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
1,300
2016 count
Owner
County
County Highway Agency

About this bridge

Ave 412 over Alta Canal is a concrete continuous slab carrying Ave 412 over Alta Canal in Tulare 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 fair condition with a lowest component rating of 5 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 1,300 vehicles a day, roughly 12% of them trucks, projected to reach 774 by 2043. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAve 412
CrossesAlta Canal
Location0.7 MI E of RD 144
RouteCounty Highway 0
CountyTulare County
StateCalifornia
Coordinates36.53718, -119.26317
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2016)
Projected traffic774 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ave 412 over Alta Canal built?

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

What condition is Ave 412 over Alta 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 December 2023.

How much traffic does Ave 412 over Alta Canal carry?

About 1,300 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is Ave 412 over Alta Canal?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 20 ft wide.

Who owns Ave 412 over Alta Canal?

It is owned by the County Highway Agency.