US Bridges

Frazier Lake RD over Furlong Creek

Good

Santa Clara County, California · Bloomfield Ave · Structure no. 37C0534

Built
1927
98 years old, rebuilt 2001
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
3,800
2014 count
Owner
County
County Highway Agency

About this bridge

Frazier Lake RD over Furlong Creek is a concrete continuous slab carrying Frazier Lake RD over Furlong Creek in Santa Clara County, California. It was built in 1927 and reconstructed in 2001, so it is 98 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 3,800 vehicles a day, roughly 15% of them trucks, projected to reach 5,430 by 2046. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFrazier Lake RD
CrossesFurlong Creek
LocationBloomfield Ave
RouteCounty Highway 0
Coordinates36.97837, -121.50854
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.5 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2014)
Projected traffic5,430 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Frazier Lake RD over Furlong Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2001.

What condition is Frazier Lake RD over Furlong 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 November 2024.

How much traffic does Frazier Lake RD over Furlong Creek carry?

About 3,800 vehicles per day (2014 count), of which roughly 15% are trucks.

How long is Frazier Lake RD over Furlong Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.5 m) and a deck 36 ft wide.

Who owns Frazier Lake RD over Furlong Creek?

It is owned by the County Highway Agency.