US Bridges

18th Ave over Lemoore Canal

Fair

Kings County, California · N/O Jackson Ave · Structure no. 45C0068

Built
1940
85 years old, rebuilt 1972
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
6,960
2018 count
Owner
County
County Highway Agency

About this bridge

18th Ave over Lemoore Canal is a concrete continuous culvert carrying 18th Ave over Lemoore Canal in Kings County, California. It was built in 1940 and reconstructed in 1972, so it is 85 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 6,960 vehicles a day, roughly 15% of them trucks, projected to reach 7,654 by 2042. The structure is 23 ft (6.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries18th Ave
CrossesLemoore Canal
LocationN/O Jackson Ave
RouteCounty Highway 0
CountyKings County
StateCalifornia
Coordinates36.25531, -119.78076
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,960 (2018)
Projected traffic7,654 by 2042
Trucks15%
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 18th Ave over Lemoore Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1972.

What condition is 18th Ave over Lemoore 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 October 2024.

How much traffic does 18th Ave over Lemoore Canal carry?

About 6,960 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is 18th Ave over Lemoore Canal?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m) and a deck 43 ft wide.

Who owns 18th Ave over Lemoore Canal?

It is owned by the County Highway Agency.