US Bridges

Hollister Ave over Carneros Creek

Fair

Santa Barbara County, California · 0.05 MI E of Aero Camino · Structure no. 51C0127

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
14,800
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hollister Ave over Carneros Creek is a concrete continuous culvert carrying Hollister Ave over Carneros Creek in Santa Barbara County, California. It was built in 1965, so it is 60 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 14,800 vehicles a day, roughly 8% of them trucks, projected to reach 28,729 by 2042. The structure is 35 ft (10.7 m) long and 96 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHollister Ave
CrossesCarneros Creek
Location0.05 MI E of Aero Camino
RouteCity Street 0
CountySanta Barbara County
StateCalifornia
Coordinates34.43133, -119.84757
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width96 ft (29.2 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,800 (2011)
Projected traffic28,729 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hollister Ave over Carneros Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Hollister Ave over Carneros 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 Hollister Ave over Carneros Creek carry?

About 14,800 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Hollister Ave over Carneros Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 96 ft wide.

Who owns Hollister Ave over Carneros Creek?

It is owned by the City or Municipal Highway Agency.