US Bridges

20 1/2 Ave over Tulare Lake Canal

Good

Kings County, California · 0.7 MI N Madison Ave · Structure no. 45C0139

Built
1965
60 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
200
2018 count
Owner
County
County Highway Agency

About this bridge

20 1/2 Ave over Tulare Lake Canal is a concrete continuous culvert carrying 20 1/2 Ave over Tulare Lake Canal in Kings County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 20% of them trucks, projected to reach 499 by 2042. The structure is 44 ft (13.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries20 1/2 Ave
CrossesTulare Lake Canal
Location0.7 MI N Madison Ave
RouteCounty Highway 0
CountyKings County
StateCalifornia
Coordinates36.17797, -119.82494
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2018)
Projected traffic499 by 2042
Trucks20%
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 20 1/2 Ave over Tulare Lake Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is 20 1/2 Ave over Tulare Lake Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does 20 1/2 Ave over Tulare Lake Canal carry?

About 200 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is 20 1/2 Ave over Tulare Lake Canal?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns 20 1/2 Ave over Tulare Lake Canal?

It is owned by the County Highway Agency.