US Bridges

Kern Street over State Route 99

Good

Fresno County, California · 06-FRE-099-20.46-FRE · Structure no. 42 0159

Built
1957
68 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
124 ft
2 main spans
Daily traffic
4,000
2018 count
Owner
State
State Highway Agency

About this bridge

Kern Street over State Route 99 is a concrete continuous tee beam carrying Kern Street over State Route 99 in Fresno County, California. It was built in 1957, so it is 68 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 4,000 vehicles a day, roughly 5% of them trucks, projected to reach 5,800 by 2040. The structure is 124 ft (37.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKern Street
CrossesState Route 99
Location06-FRE-099-20.46-FRE
RouteCity Street 0F346
Coordinates36.72786, -119.79601
Functional classUrban Collector

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span64 ft (19.6 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2018)
Projected traffic5,800 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Kern Street over State Route 99 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Kern Street over State Route 99 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 November 2023.

How much traffic does Kern Street over State Route 99 carry?

About 4,000 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Kern Street over State Route 99?

The structure is 124 ft (37.8 m) long with a longest span of 64 ft (19.6 m) and a deck 66 ft wide.

Who owns Kern Street over State Route 99?

It is owned by the State Highway Agency.