US Bridges

Lebec RD over Interstate 5

Fair

Kern County, California · 06-KER-005-4.07 · Structure no. 50 0271

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
489 ft
4 main spans
Daily traffic
950
2008 count
Owner
State
State Highway Agency

About this bridge

Lebec RD over Interstate 5 is a steel stringer/multi-beam or girder carrying Lebec RD over Interstate 5 in Kern County, California. It was built in 1964, so it is 61 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 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 950 vehicles a day, roughly 5% of them trucks, projected to reach 1,308 by 2043. The structure is 489 ft (149 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLebec RD
CrossesInterstate 5
Location06-KER-005-4.07
RouteCounty Highway 0
Coordinates34.86553, -118.88332
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length489 ft (149 m)
Longest span160 ft (48.8 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2008)
Projected traffic1,308 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 Lebec RD over Interstate 5 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Lebec RD over Interstate 5 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 May 2023.

How much traffic does Lebec RD over Interstate 5 carry?

About 950 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Lebec RD over Interstate 5?

The structure is 489 ft (149 m) long with a longest span of 160 ft (48.8 m) and a deck 40 ft wide.

Who owns Lebec RD over Interstate 5?

It is owned by the State Highway Agency.