US Bridges

State Route 33 over North Fork Matilija Crk

Good

Ventura County, California · 07-VEN-033-19.72 · Structure no. 52 0453

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
650
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over North Fork Matilija Crk is a prestressed concrete box beam or girders - multiple carrying State Route 33 over North Fork Matilija Crk in Ventura 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 650 vehicles a day, roughly 4% of them trucks, projected to reach 1,746 by 2042. The structure is 83 ft (25.2 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 33
CrossesNorth Fork Matilija Crk
Location07-VEN-033-19.72
RouteState Highway 33
Coordinates34.51852, -119.27093
Functional classRural 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 protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length83 ft (25.2 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic1,746 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 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 State Route 33 over North Fork Matilija Crk built?

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

What condition is State Route 33 over North Fork Matilija Crk 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 May 2024.

How much traffic does State Route 33 over North Fork Matilija Crk carry?

About 650 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is State Route 33 over North Fork Matilija Crk?

The structure is 83 ft (25.2 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns State Route 33 over North Fork Matilija Crk?

It is owned by the State Highway Agency.