US Bridges

Ave 304 over Tulare Irrig Dist Canal

Fair

Tulare County, California · 0.5 MI W of RD 180 · Structure no. 46C0402

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
1,300
2015 count
Owner
County
County Highway Agency

About this bridge

Ave 304 over Tulare Irrig Dist Canal is a concrete continuous culvert carrying Ave 304 over Tulare Irrig Dist 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 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 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,641 by 2042. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAve 304
CrossesTulare Irrig Dist Canal
Location0.5 MI W of RD 180
RouteCounty Highway 0
Coordinates36.34126, -119.17992
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2015)
Projected traffic1,641 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 304 over Tulare Irrig Dist Canal built?

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

What condition is Ave 304 over Tulare Irrig Dist 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 Ave 304 over Tulare Irrig Dist Canal carry?

About 1,300 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Ave 304 over Tulare Irrig Dist Canal?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Ave 304 over Tulare Irrig Dist Canal?

It is owned by the County Highway Agency.