US Bridges

S Alta Ave over Friant-Kern Canal

Fair

Fresno County, California · 0.75 MI South of SR 180 · Structure no. 42C0180

Built
1956
69 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
225
2010 count
Owner
County
County Highway Agency

About this bridge

S Alta Ave over Friant-Kern Canal is a concrete continuous tee beam carrying S Alta Ave over Friant-Kern Canal in Fresno County, California. It was built in 1956, so it is 69 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2043. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS Alta Ave
CrossesFriant-Kern Canal
Location0.75 MI South of SR 180
RouteCounty Highway 0
Coordinates36.70883, -119.39462
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.
Superstructure8 Very GoodNo problems noted.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span43 ft (13 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2010)
Projected traffic270 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S Alta Ave over Friant-Kern Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is S Alta Ave over Friant-Kern 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 2024.

How much traffic does S Alta Ave over Friant-Kern Canal carry?

About 225 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is S Alta Ave over Friant-Kern Canal?

The structure is 120 ft (36.6 m) long with a longest span of 43 ft (13 m) and a deck 29 ft wide.

Who owns S Alta Ave over Friant-Kern Canal?

It is owned by the County Highway Agency.