US Bridges

El Rancho Road over San Antonio Creek

Fair

Santa Barbara County, California · From Main Gate: Take Cali · Structure no. AFCAXUMU01803

Built
2003
22 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,100 ft
19 main spans
Daily traffic
750
2014 count
Owner
Federal
Air Force

About this bridge

El Rancho Road over San Antonio Creek is a prestressed concrete stringer/multi-beam or girder carrying El Rancho Road over San Antonio Creek in Santa Barbara County, California. It was built in 2003, so it is 22 years old, younger 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 750 vehicles a day, projected to reach 900 by 2034. The structure is 2,100 ft (640.2 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesEl Rancho Road
CrossesSan Antonio Creek
LocationFrom Main Gate: Take Cali
RouteFederal Lands Road 0
Coordinates34.77383, -120.57252
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans19
Design loadHS 25 or greater
Structure length2,100 ft (640.2 m)
Longest span114 ft (34.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2014)
Projected traffic900 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was El Rancho Road over San Antonio Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is El Rancho Road over San Antonio 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 August 2023.

How much traffic does El Rancho Road over San Antonio Creek carry?

About 750 vehicles per day (2014 count).

How long is El Rancho Road over San Antonio Creek?

The structure is 2,100 ft (640.2 m) long with a longest span of 114 ft (34.7 m) and a deck 33 ft wide.

Who owns El Rancho Road over San Antonio Creek?

It is owned by the Air Force.