US Bridges

State Route 33 over Warthan Creek

Good

Fresno County, California · 06-FRE-033-14.88-CLNG · Structure no. 42 0424

Built
2001
24 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete Continuous
Length
120 ft
2 main spans
Daily traffic
8,800
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Warthan Creek is a prestressed concrete continuous slab carrying State Route 33 over Warthan Creek 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 8,800 vehicles a day, roughly 13% of them trucks, projected to reach 6,004 by 2043. The structure is 120 ft (36.5 m) long and 51 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesState Route 33
CrossesWarthan Creek
Location06-FRE-033-14.88-CLNG
RouteState Highway 33
Coordinates36.13672, -120.34602
Functional classUrban Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span60 ft (18.3 m)
Deck width51 ft (15.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2009)
Projected traffic6,004 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 33 over Warthan Creek built?

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

What condition is State Route 33 over Warthan Creek 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 2025.

How much traffic does State Route 33 over Warthan Creek carry?

About 8,800 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is State Route 33 over Warthan Creek?

The structure is 120 ft (36.5 m) long with a longest span of 60 ft (18.3 m) and a deck 51 ft wide.

Who owns State Route 33 over Warthan Creek?

It is owned by the State Highway Agency.