US Bridges

SR 33 (jensen Ave) over California Aqueduct

Fair

Merced County, California · 10-MER-033-R14.41 · Structure no. 39 0190

Built
1965
60 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
243 ft
4 main spans
Daily traffic
8,200
2009 count
Owner
State
State Highway Agency

About this bridge

SR 33 (jensen Ave) over California Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying SR 33 (jensen Ave) over California Aqueduct in Merced County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,200 vehicles a day, roughly 30% of them trucks, projected to reach 16,988 by 2045. The structure is 243 ft (74.1 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 33 (jensen Ave)
CrossesCalifornia Aqueduct
Location10-MER-033-R14.41
RouteState Highway 33
CountyMerced County
StateCalifornia
Coordinates37.07393, -121.01618
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length243 ft (74.1 m)
Longest span59 ft (18.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2009)
Projected traffic16,988 by 2045
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SR 33 (jensen Ave) over California Aqueduct built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 33 (jensen Ave) over California Aqueduct in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does SR 33 (jensen Ave) over California Aqueduct carry?

About 8,200 vehicles per day (2009 count), of which roughly 30% are trucks.

How long is SR 33 (jensen Ave) over California Aqueduct?

The structure is 243 ft (74.1 m) long with a longest span of 59 ft (18.1 m) and a deck 34 ft wide.

Who owns SR 33 (jensen Ave) over California Aqueduct?

It is owned by the State Highway Agency.