US Bridges

Interstate 5 NB over Grapevine Road

Good

Kern County, California · 06-KER-005-10.16R · Structure no. 50 0194R

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
48,750
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over Grapevine Road is a concrete continuous slab carrying Interstate 5 NB over Grapevine Road in Kern County, California. It was built in 1960, so it is 65 years old, older 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 48,750 vehicles a day, roughly 33% of them trucks, projected to reach 141,064 by 2043. The structure is 113 ft (34.4 m) long and 71 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesInterstate 5 NB
CrossesGrapevine Road
Location06-KER-005-10.16R
RouteInterstate 5
CountyKern County
StateCalifornia
Coordinates34.93917, -118.92945
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,750 (2009)
Projected traffic141,064 by 2043
Trucks33%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 NB over Grapevine Road built?

It was built in 1960, making it 65 years old in 2025.

What condition is Interstate 5 NB over Grapevine Road 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 May 2023.

How much traffic does Interstate 5 NB over Grapevine Road carry?

About 48,750 vehicles per day (2009 count), of which roughly 33% are trucks.

How long is Interstate 5 NB over Grapevine Road?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 71 ft wide.

Who owns Interstate 5 NB over Grapevine Road?

It is owned by the State Highway Agency.