US Bridges

Lerdo Highway EB over Calloway Canal

Good

Kern County, California · 0.9 MI E Cherry Ave · Structure no. 50C0026R

Built
1954
71 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
75 ft
7 main spans
Daily traffic
10,110
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lerdo Highway EB over Calloway Canal is a concrete continuous culvert carrying Lerdo Highway EB over Calloway Canal in Kern County, California. It was built in 1954, so it is 71 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 10,110 vehicles a day, roughly 10% of them trucks, projected to reach 14,102 by 2040. The structure is 75 ft (22.9 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLerdo Highway EB
CrossesCalloway Canal
Location0.9 MI E Cherry Ave
RouteCounty Highway 0
Coordinates35.49961, -119.22533
Functional classRural Major Collector

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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span11 ft (3.3 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,110 (2003)
Projected traffic14,102 by 2040
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lerdo Highway EB over Calloway Canal built?

It was built in 1954, making it 71 years old in 2025.

What condition is Lerdo Highway EB over Calloway 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 November 2022.

How much traffic does Lerdo Highway EB over Calloway Canal carry?

About 10,110 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Lerdo Highway EB over Calloway Canal?

The structure is 75 ft (22.9 m) long with a longest span of 11 ft (3.3 m) and a deck 35 ft wide.

Who owns Lerdo Highway EB over Calloway Canal?

It is owned by the City or Municipal Highway Agency.