US Bridges

State Route 33 over Round Springs Creek

Fair

Ventura County, California · 07-VEN-033-50.91 · Structure no. 52 0087

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
40 ft
2 main spans
Daily traffic
290
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Round Springs Creek is a concrete box beam or girders - multiple carrying State Route 33 over Round Springs Creek in Ventura County, California. It was built in 1959, so it is 66 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 6 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 290 vehicles a day, roughly 10% of them trucks, projected to reach 350 by 2042. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 33
CrossesRound Springs Creek
Location07-VEN-033-50.91
RouteState Highway 33
Coordinates34.71305, -119.38074
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic350 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Round Springs Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is State Route 33 over Round Springs 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 Round Springs Creek carry?

About 290 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Route 33 over Round Springs Creek?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns State Route 33 over Round Springs Creek?

It is owned by the State Highway Agency.