US Bridges

E Zayante RD over Zayante Creek

Good

Santa Cruz County, California · 1 MI N Graham Hill RD · Structure no. 36C0034

Built
1939
86 years old
Condition
Good
inspected October 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
5,800
2016 count
Owner
County
County Highway Agency

About this bridge

E Zayante RD over Zayante Creek is a concrete continuous girder and floorbeam system carrying E Zayante RD over Zayante Creek in Santa Cruz County, California. It was built in 1939, so it is 86 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 5,800 vehicles a day, roughly 10% of them trucks, projected to reach 6,077 by 2043. The structure is 108 ft (33 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE Zayante RD
CrossesZayante Creek
Location1 MI N Graham Hill RD
RouteCounty Highway 0
Coordinates37.05975, -122.0583
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating17.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length108 ft (33 m)
Longest span58 ft (17.8 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2016)
Projected traffic6,077 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 E Zayante RD over Zayante Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is E Zayante RD over Zayante Creek 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 October 2023.

How much traffic does E Zayante RD over Zayante Creek carry?

About 5,800 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is E Zayante RD over Zayante Creek?

The structure is 108 ft (33 m) long with a longest span of 58 ft (17.8 m) and a deck 32 ft wide.

Who owns E Zayante RD over Zayante Creek?

It is owned by the County Highway Agency.