US Bridges

Cliff Drive over Hillside

Fair

Santa Barbara County, California · 0.1 M SW of Castillo ST · Structure no. 51C0383

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
395 ft
23 main spans
Daily traffic
24,000
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cliff Drive over Hillside is a concrete continuous tee beam carrying Cliff Drive over Hillside in Santa Barbara County, California. It was built in 1969, so it is 56 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 24,000 vehicles a day, roughly 2% of them trucks, projected to reach 28,749 by 2046. The structure is 395 ft (120.4 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCliff Drive
CrossesHillside
Location0.1 M SW of Castillo ST
RouteCity Street 0
Coordinates34.40679, -119.69989
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans23
Design loadHS 20 + Mod
Structure length395 ft (120.4 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2009)
Projected traffic28,749 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cliff Drive over Hillside built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cliff Drive over Hillside 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 February 2024.

How much traffic does Cliff Drive over Hillside carry?

About 24,000 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Cliff Drive over Hillside?

The structure is 395 ft (120.4 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns Cliff Drive over Hillside?

It is owned by the City or Municipal Highway Agency.