US Bridges

Airport Blvd over State Route 1

Good

Santa Cruz County, California · 05-SCR-001-R3.18-WAT · Structure no. 36 0085

Built
1967
58 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
3 main spans
Daily traffic
3,200
1998 count
Owner
State
State Highway Agency

About this bridge

Airport Blvd over State Route 1 is a prestressed concrete continuous stringer/multi-beam or girder carrying Airport Blvd over State Route 1 in Santa Cruz County, California. It was built in 1967, 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 3,200 vehicles a day, roughly 2% of them trucks, projected to reach 6,542 by 2045. The structure is 230 ft (70.1 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesAirport Blvd
CrossesState Route 1
Location05-SCR-001-R3.18-WAT
RouteCity Street 0Z806
CountySanta Cruz County
StateCalifornia
Coordinates36.92426, -121.79705
Functional classUrban Minor Arterial

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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span101 ft (30.8 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (1998)
Projected traffic6,542 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Airport Blvd over State Route 1 built?

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

What condition is Airport Blvd over State Route 1 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 Airport Blvd over State Route 1 carry?

About 3,200 vehicles per day (1998 count), of which roughly 2% are trucks.

How long is Airport Blvd over State Route 1?

The structure is 230 ft (70.1 m) long with a longest span of 101 ft (30.8 m) and a deck 47 ft wide.

Who owns Airport Blvd over State Route 1?

It is owned by the State Highway Agency.