US Bridges

State Route 33 over North Fork Matilija Crk

Good

Ventura County, California · 07-VEN-033-17.41 · Structure no. 52 0066

Built
1987
38 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
157 ft
2 main spans
Daily traffic
720
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over North Fork Matilija Crk is a concrete continuous box beam or girders - multiple carrying State Route 33 over North Fork Matilija Crk in Ventura County, California. It was built in 1987, so it is 38 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 720 vehicles a day, roughly 4% of them trucks, projected to reach 970 by 2042. The structure is 157 ft (47.9 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-033-17.41
RouteState Highway 33
Coordinates34.50669, -119.29554
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span97 ft (29.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2020)
Projected traffic970 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 33 over North Fork Matilija Crk built?

It was built in 1987, making it 38 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 720 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 157 ft (47.9 m) long with a longest span of 97 ft (29.5 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.