US Bridges

Redwood Retreat RD over Little Arthur Creek

Good

Santa Clara County, California · 2.9 MI W Watsonville RD · Structure no. 37C0564

Built
1925
100 years old
Condition
Good
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
40 ft
1 main span
Daily traffic
400
2011 count
Owner
County
County Highway Agency

About this bridge

Redwood Retreat RD over Little Arthur Creek is a concrete girder and floorbeam system carrying Redwood Retreat RD over Little Arthur Creek in Santa Clara County, California. It was built in 1925, so it is 100 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 510 by 2042. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesRedwood Retreat RD
CrossesLittle Arthur Creek
Location2.9 MI W Watsonville RD
RouteCounty Highway 0
Coordinates37.03283, -121.70466
Functional classRural Minor 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2011)
Projected traffic510 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Redwood Retreat RD over Little Arthur Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Redwood Retreat RD over Little Arthur 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 September 2024.

How much traffic does Redwood Retreat RD over Little Arthur Creek carry?

About 400 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Redwood Retreat RD over Little Arthur Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Redwood Retreat RD over Little Arthur Creek?

It is owned by the County Highway Agency.