US Bridges

State Route 33 over Quatal Canyon

Fair

Santa Barbara County, California · 05-SB-033-1.84 · Structure no. 51 0144

Built
1953
72 years old, rebuilt 2005
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
122 ft
6 main spans
Daily traffic
455
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Quatal Canyon is a concrete continuous slab carrying State Route 33 over Quatal Canyon in Santa Barbara County, California. It was built in 1953 and reconstructed in 2005, so it is 72 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 455 vehicles a day, projected to reach 465 by 2042. The structure is 122 ft (37.2 m) long and 34 ft wide. If it were closed, the detour would be 90.1 mi (145 km).

Location

Open in Google Maps
CarriesState Route 33
CrossesQuatal Canyon
Location05-SB-033-1.84
RouteState Highway 33
CountySanta Barbara County
StateCalifornia
Coordinates34.81442, -119.45858
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2009)
Projected traffic465 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.1 mi (145 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 Quatal Canyon built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2005.

What condition is State Route 33 over Quatal Canyon 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 December 2024.

How much traffic does State Route 33 over Quatal Canyon carry?

About 455 vehicles per day (2009 count).

How long is State Route 33 over Quatal Canyon?

The structure is 122 ft (37.2 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns State Route 33 over Quatal Canyon?

It is owned by the State Highway Agency.