US Bridges

Interstate 5 SB over Kern Riv Flood Canal RD

Fair

Kern County, California · 06-KER-005-71.56 · Structure no. 50 0314L

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
16,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Kern Riv Flood Canal RD is a concrete continuous slab carrying Interstate 5 SB over Kern Riv Flood Canal RD in Kern County, California. It was built in 1967, so it is 58 years old, older 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 6 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 16,000 vehicles a day, roughly 31% of them trucks, projected to reach 27,000 by 2042. The structure is 76 ft (23.2 m) long and 42 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesInterstate 5 SB
CrossesKern Riv Flood Canal RD
Location06-KER-005-71.56
RouteInterstate 5
Coordinates35.59868, -119.63879
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length76 ft (23.2 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2019)
Projected traffic27,000 by 2042
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 5 SB over Kern Riv Flood Canal RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 5 SB over Kern Riv Flood Canal RD 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 October 2024.

How much traffic does Interstate 5 SB over Kern Riv Flood Canal RD carry?

About 16,000 vehicles per day (2019 count), of which roughly 31% are trucks.

How long is Interstate 5 SB over Kern Riv Flood Canal RD?

The structure is 76 ft (23.2 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns Interstate 5 SB over Kern Riv Flood Canal RD?

It is owned by the State Highway Agency.