US Bridges

State Route 99 over Pacheco Road

Good

Kern County, California · 06-KER-099-20.56 · Structure no. 50 0241

Built
1962
63 years old, rebuilt 1989
Condition
Good
inspected December 2021
Type
Tee Beam
Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
83,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Pacheco Road is a concrete continuous tee beam carrying State Route 99 over Pacheco Road in Kern County, California. It was built in 1962 and reconstructed in 1989, so it is 63 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 83,000 vehicles a day, projected to reach 101,232 by 2041. The structure is 164 ft (50 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 99
CrossesPacheco Road
Location06-KER-099-20.56
RouteState Highway 99
Coordinates35.31012, -119.0343
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span75 ft (22.9 m)
Deck width139 ft (42.4 m)
Roadway width135 ft (41 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,000 (2009)
Projected traffic101,232 by 2041
Trucks0%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 State Route 99 over Pacheco Road built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.

What condition is State Route 99 over Pacheco 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 December 2021.

How much traffic does State Route 99 over Pacheco Road carry?

About 83,000 vehicles per day (2009 count).

How long is State Route 99 over Pacheco Road?

The structure is 164 ft (50 m) long with a longest span of 75 ft (22.9 m) and a deck 139 ft wide.

Who owns State Route 99 over Pacheco Road?

It is owned by the State Highway Agency.