US Bridges

Soquel Ave over San Lorenzo River

Fair

Santa Cruz County, California · 0.1 MI W Ocean ST · Structure no. 36C0105

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
450 ft
4 main spans
Daily traffic
12,788
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Soquel Ave over San Lorenzo River is a concrete continuous box beam or girders - multiple carrying Soquel Ave over San Lorenzo River in Santa Cruz County, California. It was built in 1999, so it is 26 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 5 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 12,788 vehicles a day, roughly 10% of them trucks, projected to reach 30,912 by 2040. The structure is 450 ft (137.2 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSoquel Ave
CrossesSan Lorenzo River
Location0.1 MI W Ocean ST
RouteCity Street 0
Coordinates36.97334, -122.02362
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span120 ft (36.6 m)
Deck width70 ft (21.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,788 (2015)
Projected traffic30,912 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Soquel Ave over San Lorenzo River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Soquel Ave over San Lorenzo River 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 September 2023.

How much traffic does Soquel Ave over San Lorenzo River carry?

About 12,788 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Soquel Ave over San Lorenzo River?

The structure is 450 ft (137.2 m) long with a longest span of 120 ft (36.6 m) and a deck 70 ft wide.

Who owns Soquel Ave over San Lorenzo River?

It is owned by the City or Municipal Highway Agency.