US Bridges

Calloway DR Olive over Friant-Kern Canal

Good

Kern County, California · 2 MI North of SR 58 · Structure no. 50C0332

Built
2003
22 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete Continuous
Length
72 ft
2 main spans
Daily traffic
6,500
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Calloway DR Olive over Friant-Kern Canal is a concrete continuous culvert carrying Calloway DR Olive over Friant-Kern Canal in Kern County, California. It was built in 2003, so it is 22 years old, younger 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 6,500 vehicles a day, roughly 5% of them trucks, projected to reach 7,358 by 2044. The structure is 72 ft (22 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCalloway DR Olive
CrossesFriant-Kern Canal
Location2 MI North of SR 58
RouteCity Street 0
Coordinates35.41242, -119.10961
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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length72 ft (22 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2016)
Projected traffic7,358 by 2044
Trucks5%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Calloway DR Olive over Friant-Kern Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is Calloway DR Olive over Friant-Kern 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 2022.

How much traffic does Calloway DR Olive over Friant-Kern Canal carry?

About 6,500 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Calloway DR Olive over Friant-Kern Canal?

The structure is 72 ft (22 m) long with a longest span of 26 ft (7.8 m).

Who owns Calloway DR Olive over Friant-Kern Canal?

It is owned by the City or Municipal Highway Agency.