US Bridges

Cathedral Oaks RD over Carneros Creek

Good

Santa Barbara County, California · 0.15 MI W Los Carneros R · Structure no. 51C0192

Built
1971
54 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Concrete
Length
83 ft
1 main span
Daily traffic
7,156
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cathedral Oaks RD over Carneros Creek is a concrete box beam or girders - multiple carrying Cathedral Oaks RD over Carneros Creek in Santa Barbara County, California. It was built in 1971, so it is 54 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 7,156 vehicles a day, roughly 1% of them trucks, projected to reach 10,976 by 2044. The structure is 83 ft (25.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCathedral Oaks RD
CrossesCarneros Creek
Location0.15 MI W Los Carneros R
RouteCity Street 0
Coordinates34.44421, -119.85761
Functional classRural Major Collector

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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width49 ft (14.9 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,156 (2003)
Projected traffic10,976 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Cathedral Oaks RD over Carneros Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Cathedral Oaks RD over Carneros Creek 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 2022.

How much traffic does Cathedral Oaks RD over Carneros Creek carry?

About 7,156 vehicles per day (2003 count), of which roughly 1% are trucks.

How long is Cathedral Oaks RD over Carneros Creek?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 49 ft wide.

Who owns Cathedral Oaks RD over Carneros Creek?

It is owned by the City or Municipal Highway Agency.