US Bridges

State Route 1 over El Jaro Creek

Good

Santa Barbara County, California · 05-SB-001-R6.78 · Structure no. 51 0090

Built
1967
58 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
401 ft
5 main spans
Daily traffic
7,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over El Jaro Creek is a concrete continuous box beam or girders - multiple carrying State Route 1 over El Jaro Creek in Santa Barbara County, California. It was built in 1967, so it is 58 years old, older 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 7,000 vehicles a day, roughly 10% of them trucks, projected to reach 26,300 by 2043. The structure is 401 ft (122.2 m) long and 34 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesState Route 1
CrossesEl Jaro Creek
Location05-SB-001-R6.78
RouteState Highway 1
Coordinates34.52138, -120.33619
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length401 ft (122.2 m)
Longest span88 ft (26.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2009)
Projected traffic26,300 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 1 over El Jaro Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is State Route 1 over El Jaro 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 July 2023.

How much traffic does State Route 1 over El Jaro Creek carry?

About 7,000 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is State Route 1 over El Jaro Creek?

The structure is 401 ft (122.2 m) long with a longest span of 88 ft (26.8 m) and a deck 34 ft wide.

Who owns State Route 1 over El Jaro Creek?

It is owned by the State Highway Agency.