US Bridges

State Route 1 over Market Street

Good

Santa Cruz County, California · 05-SCR-001-16.37-SCR · Structure no. 36 0059

Built
1958
67 years old, rebuilt 2008
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
88,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Market Street is a concrete slab carrying State Route 1 over Market Street in Santa Cruz County, California. It was built in 1958 and reconstructed in 2008, so it is 67 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 88,000 vehicles a day, roughly 4% of them trucks, projected to reach 137,020 by 2045. The structure is 40 ft (12.1 m) long and 130 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 1
CrossesMarket Street
Location05-SCR-001-16.37-SCR
RouteState Highway 1
Coordinates36.98879, -122.01302
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 inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.1 m)
Longest span35 ft (10.8 m)
Deck width130 ft (39.6 m)
Roadway width124 ft (37.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88,000 (2017)
Projected traffic137,020 by 2045
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 over Market Street built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2008.

What condition is State Route 1 over Market Street 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 Market Street carry?

About 88,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is State Route 1 over Market Street?

The structure is 40 ft (12.1 m) long with a longest span of 35 ft (10.8 m) and a deck 130 ft wide.

Who owns State Route 1 over Market Street?

It is owned by the State Highway Agency.