US Bridges

Kimberlina RD over Lerdo Canal

Fair

Kern County, California · 0.7 MI W of Driver RD · Structure no. 50C0124

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
48 ft
2 main spans
Daily traffic
3,000
2005 count
Owner
County
County Highway Agency

About this bridge

Kimberlina RD over Lerdo Canal is a concrete continuous slab carrying Kimberlina RD over Lerdo Canal in Kern County, California. It was built in 1985, so it is 40 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,000 vehicles a day, roughly 15% of them trucks, projected to reach 7,039 by 2045. The structure is 48 ft (14.6 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesKimberlina RD
CrossesLerdo Canal
Location0.7 MI W of Driver RD
RouteCounty Highway 0
CountyKern County
StateCalifornia
Coordinates35.55841, -119.21843
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating71.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2005)
Projected traffic7,039 by 2045
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Kimberlina RD over Lerdo Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Kimberlina RD over Lerdo Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Kimberlina RD over Lerdo Canal carry?

About 3,000 vehicles per day (2005 count), of which roughly 15% are trucks.

How long is Kimberlina RD over Lerdo Canal?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 43 ft wide.

Who owns Kimberlina RD over Lerdo Canal?

It is owned by the County Highway Agency.