US Bridges

El Rancho Drive over Hillside

Fair

Santa Cruz County, California · Just North of LA Madronna · Structure no. 36C0170

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
5,000
2016 count
Owner
County
County Highway Agency

About this bridge

El Rancho Drive over Hillside is a prestressed concrete box beam or girders - multiple carrying El Rancho Drive over Hillside in Santa Cruz County, California. It was built in 2008, so it is 17 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 5,239 by 2043. The structure is 152 ft (46.3 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesEl Rancho Drive
CrossesHillside
LocationJust North of LA Madronna
RouteCounty Highway 0
Coordinates37.00886, -122.02131
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span148 ft (45 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic5,239 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 El Rancho Drive over Hillside built?

It was built in 2008, making it 17 years old in 2025.

What condition is El Rancho 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 October 2023.

How much traffic does El Rancho Drive over Hillside carry?

About 5,000 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is El Rancho Drive over Hillside?

The structure is 152 ft (46.3 m) long with a longest span of 148 ft (45 m) and a deck 33 ft wide.

Who owns El Rancho Drive over Hillside?

It is owned by the County Highway Agency.