US Bridges

State Route 1 over Soquel Creek Wharf RD

Good

Santa Cruz County, California · 05-SCR-001-13.31-CPTL · Structure no. 36 0013

Built
1947
78 years old, rebuilt 1995
Condition
Good
inspected July 2023
Type
Arch - Deck
Concrete
Length
323 ft
1 main span
Daily traffic
97,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Soquel Creek Wharf RD is a concrete arch - deck carrying State Route 1 over Soquel Creek Wharf RD in Santa Cruz County, California. It was built in 1947 and reconstructed in 1995, so it is 78 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 97,000 vehicles a day, roughly 4% of them trucks, projected to reach 160,823 by 2043. The structure is 323 ft (98.5 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 1
CrossesSoquel Creek Wharf RD
Location05-SCR-001-13.31-CPTL
RouteState Highway 1
Coordinates36.98314, -121.95939
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span126 ft (38.4 m)
Deck width102 ft (31 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,000 (2019)
Projected traffic160,823 by 2043
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Soquel Creek Wharf RD built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1995.

What condition is State Route 1 over Soquel Creek Wharf RD 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 Soquel Creek Wharf RD carry?

About 97,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Route 1 over Soquel Creek Wharf RD?

The structure is 323 ft (98.5 m) long with a longest span of 126 ft (38.4 m) and a deck 102 ft wide.

Who owns State Route 1 over Soquel Creek Wharf RD?

It is owned by the State Highway Agency.