US Bridges

Frazier Lake Road over Branch of Pajaro River

Fair

Santa Clara County, California · 0.4 MI S/E Bloomfield Ave · Structure no. 37C0535

Built
1927
98 years old, rebuilt 2004
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
3,800
2014 count
Owner
County
County Highway Agency

About this bridge

Frazier Lake Road over Branch of Pajaro River is a concrete continuous slab carrying Frazier Lake Road over Branch of Pajaro River in Santa Clara County, California. It was built in 1927 and reconstructed in 2004, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,800 vehicles a day, roughly 10% of them trucks, projected to reach 5,204 by 2046. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFrazier Lake Road
CrossesBranch of Pajaro River
Location0.4 MI S/E Bloomfield Ave
RouteCounty Highway 0
Coordinates36.97493, -121.50485
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span18 ft (5.6 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2014)
Projected traffic5,204 by 2046
Trucks10%
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 Frazier Lake Road over Branch of Pajaro River built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2004.

What condition is Frazier Lake Road over Branch of Pajaro River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Frazier Lake Road over Branch of Pajaro River carry?

About 3,800 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Frazier Lake Road over Branch of Pajaro River?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.6 m) and a deck 28 ft wide.

Who owns Frazier Lake Road over Branch of Pajaro River?

It is owned by the County Highway Agency.