US Bridges

State Route 168 WB over Herndon Ave

Good

Fresno County, California · 06-FRE-168-R6.87-CLO · Structure no. 42 0405L

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
291 ft
2 main spans
Daily traffic
15,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 168 WB over Herndon Ave is a prestressed concrete continuous box beam or girders - single or spread carrying State Route 168 WB over Herndon Ave in Fresno County, California. It was built in 2001, so it is 24 years old, younger 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 15,000 vehicles a day, roughly 6% of them trucks, projected to reach 26,041 by 2046. The structure is 291 ft (88.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 168 WB
CrossesHerndon Ave
Location06-FRE-168-R6.87-CLO
RouteState Highway 168
Coordinates36.83702, -119.70384
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 inspectionJanuary 2024
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length291 ft (88.8 m)
Longest span158 ft (48.3 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2009)
Projected traffic26,041 by 2046
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 State Route 168 WB over Herndon Ave built?

It was built in 2001, making it 24 years old in 2025.

What condition is State Route 168 WB over Herndon Ave 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 January 2024.

How much traffic does State Route 168 WB over Herndon Ave carry?

About 15,000 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 168 WB over Herndon Ave?

The structure is 291 ft (88.8 m) long with a longest span of 158 ft (48.3 m) and a deck 42 ft wide.

Who owns State Route 168 WB over Herndon Ave?

It is owned by the State Highway Agency.