US Bridges

State Route 1 SB over Beach Road

Good

Santa Cruz County, California · 05-SCR-001-R1.02-WAT · Structure no. 36 0082L

Built
1967
58 years old, rebuilt 1999
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
159 ft
3 main spans
Daily traffic
19,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 SB over Beach Road is a prestressed concrete stringer/multi-beam or girder carrying State Route 1 SB over Beach Road in Santa Cruz County, California. It was built in 1967 and reconstructed in 1999, 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 19,500 vehicles a day, roughly 7% of them trucks, projected to reach 30,623 by 2045. The structure is 159 ft (48.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesState Route 1 SB
CrossesBeach Road
Location05-SCR-001-R1.02-WAT
RouteState Highway 1
CountySanta Cruz County
StateCalifornia
Coordinates36.89821, -121.77659
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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span72 ft (21.8 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2009)
Projected traffic30,623 by 2045
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 1 SB over Beach Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1999.

What condition is State Route 1 SB over Beach Road 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 November 2023.

How much traffic does State Route 1 SB over Beach Road carry?

About 19,500 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is State Route 1 SB over Beach Road?

The structure is 159 ft (48.5 m) long with a longest span of 72 ft (21.8 m) and a deck 41 ft wide.

Who owns State Route 1 SB over Beach Road?

It is owned by the State Highway Agency.