US Bridges

State Route 33 over Potrero Creek

Fair

Ventura County, California · 07-VEN-033-32.10 · Structure no. 52 0080

Built
1932
93 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
47 ft
1 main span
Daily traffic
340
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Potrero Creek is a concrete tee beam carrying State Route 33 over Potrero Creek in Ventura County, California. It was built in 1932, so it is 93 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 340 vehicles a day, roughly 4% of them trucks, projected to reach 400 by 2042. The structure is 47 ft (14.3 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 33
CrossesPotrero Creek
Location07-VEN-033-32.10
RouteState Highway 33
Coordinates34.58501, -119.26819
Functional classRural Principal Arterial - Interstate

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length47 ft (14.3 m)
Longest span43 ft (13.1 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic400 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 33 over Potrero Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is State Route 33 over Potrero Creek 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 May 2024.

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

About 340 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is State Route 33 over Potrero Creek?

The structure is 47 ft (14.3 m) long with a longest span of 43 ft (13.1 m) and a deck 30 ft wide.

Who owns State Route 33 over Potrero Creek?

It is owned by the State Highway Agency.