US Bridges

S Rainbow Ave over C & K Canal

Fair

Fresno County, California · 0.28 MI S/O California Av · Structure no. 42C0565

Built
1925
100 years old, rebuilt 1956
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
900
1999 count
Owner
County
County Highway Agency

About this bridge

S Rainbow Ave over C & K Canal is a concrete continuous slab carrying S Rainbow Ave over C & K Canal in Fresno County, California. It was built in 1925 and reconstructed in 1956, so it is 100 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 900 vehicles a day, roughly 10% of them trucks, projected to reach 1,532 by 2042. The structure is 47 ft (14.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Rainbow Ave
CrossesC & K Canal
Location0.28 MI S/O California Av
RouteCounty Highway 0
Coordinates36.71735, -119.52959
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
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.4 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1999)
Projected traffic1,532 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Rainbow Ave over C & K Canal built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1956.

What condition is S Rainbow Ave over C & K 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 January 2024.

How much traffic does S Rainbow Ave over C & K Canal carry?

About 900 vehicles per day (1999 count), of which roughly 10% are trucks.

How long is S Rainbow Ave over C & K Canal?

The structure is 47 ft (14.4 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns S Rainbow Ave over C & K Canal?

It is owned by the County Highway Agency.