US Bridges

Olive Drive over Calloway Canal

Good

Kern County, California · W of Calloway Drive · Structure no. 50C0334

Built
2003
22 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
5,000
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Olive Drive over Calloway Canal is a concrete continuous culvert carrying Olive Drive over Calloway 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 7,408 by 2045. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOlive Drive
CrossesCalloway Canal
LocationW of Calloway Drive
RouteCity Street 0
Coordinates35.41316, -119.11219
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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
Structure length37 ft (11.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic7,408 by 2045
Trucks5%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Olive Drive over Calloway Canal built?

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

What condition is Olive Drive 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 January 2023.

How much traffic does Olive Drive over Calloway Canal carry?

About 5,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Olive Drive over Calloway Canal?

The structure is 37 ft (11.3 m) long with a longest span of 13 ft (4 m).

Who owns Olive Drive over Calloway Canal?

It is owned by the City or Municipal Highway Agency.