US Bridges

State Route 168 WB over Palo Alto Trail

Good

Fresno County, California · 06-FRE-168-R6.66-CLO · Structure no. 42 0404L

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
132 ft
1 main span
Daily traffic
21,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 168 WB over Palo Alto Trail is a prestressed concrete box beam or girders - multiple carrying State Route 168 WB over Palo Alto Trail 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 21,000 vehicles a day, roughly 6% of them trucks, projected to reach 38,643 by 2046. The structure is 132 ft (40.3 m) long and 75 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 168 WB
CrossesPalo Alto Trail
Location06-FRE-168-R6.66-CLO
RouteState Highway 168
Coordinates36.83445, -119.70537
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 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length132 ft (40.3 m)
Longest span126 ft (38.5 m)
Deck width75 ft (23 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2009)
Projected traffic38,643 by 2046
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 Palo Alto Trail built?

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

What condition is State Route 168 WB over Palo Alto Trail 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 Palo Alto Trail carry?

About 21,000 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 168 WB over Palo Alto Trail?

The structure is 132 ft (40.3 m) long with a longest span of 126 ft (38.5 m) and a deck 75 ft wide.

Who owns State Route 168 WB over Palo Alto Trail?

It is owned by the State Highway Agency.