US Bridges

24th ST (old 178) over Carrier Canal

Good

Kern County, California · 0.5 MI East SR 99 · Structure no. 50C0394

Built
1930
95 years old, rebuilt 1981
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
52,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

24th ST (old 178) over Carrier Canal is a concrete continuous culvert carrying 24th ST (old 178) over Carrier Canal in Kern County, California. It was built in 1930 and reconstructed in 1981, so it is 95 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 52,000 vehicles a day, roughly 9% of them trucks, projected to reach 57,193 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries24th ST (old 178)
CrossesCarrier Canal
Location0.5 MI East SR 99
RouteCity Street 0
Coordinates35.38063, -119.03702
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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
Waterway adequacy8: Equal to present desirable criteria
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 length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,000 (2015)
Projected traffic57,193 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 24th ST (old 178) over Carrier Canal built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1981.

What condition is 24th ST (old 178) over Carrier 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 December 2024.

How much traffic does 24th ST (old 178) over Carrier Canal carry?

About 52,000 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is 24th ST (old 178) over Carrier Canal?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns 24th ST (old 178) over Carrier Canal?

It is owned by the City or Municipal Highway Agency.