US Bridges

S65-S99 Connector over State Route 99

Poor

Kern County, California · 06-KER-065-R0.01 · Structure no. 50 0205F

Built
1964
61 years old
Condition
Poor
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
8,800
2010 count
Owner
State
State Highway Agency

About this bridge

S65-S99 Connector over State Route 99 is a concrete continuous box beam or girders - multiple carrying S65-S99 Connector over State Route 99 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,800 vehicles a day, roughly 21% of them trucks, projected to reach 16,323 by 2042. The structure is 268 ft (81.7 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS65-S99 Connector
CrossesState Route 99
Location06-KER-065-R0.01
RouteState Highway 65
Coordinates35.43433, -119.076
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length268 ft (81.7 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2010)
Projected traffic16,323 by 2042
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 S65-S99 Connector over State Route 99 built?

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

What condition is S65-S99 Connector over State Route 99 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does S65-S99 Connector over State Route 99 carry?

About 8,800 vehicles per day (2010 count), of which roughly 21% are trucks.

How long is S65-S99 Connector over State Route 99?

The structure is 268 ft (81.7 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns S65-S99 Connector over State Route 99?

It is owned by the State Highway Agency.