US Bridges

State Route 9 over West Branch Saratoga Crk

Good

Santa Clara County, California · 04-SCL-009-3.60 · Structure no. 37 0073

Built
1924
101 years old, rebuilt 1934
Condition
Good
inspected September 2023
Type
Tee Beam
Concrete
Length
56 ft
1 main span
Daily traffic
2,450
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 9 over West Branch Saratoga Crk is a concrete tee beam carrying State Route 9 over West Branch Saratoga Crk in Santa Clara County, California. It was built in 1924 and reconstructed in 1934, so it is 101 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 2,450 vehicles a day, roughly 1% of them trucks, projected to reach 5,762 by 2041. The structure is 56 ft (17.1 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesState Route 9
CrossesWest Branch Saratoga Crk
Location04-SCL-009-3.60
RouteState Highway 9
Coordinates37.2536, -122.08802
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2009)
Projected traffic5,762 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 9 over West Branch Saratoga Crk built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1934.

What condition is State Route 9 over West Branch Saratoga Crk 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 2023.

How much traffic does State Route 9 over West Branch Saratoga Crk carry?

About 2,450 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is State Route 9 over West Branch Saratoga Crk?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 33 ft wide.

Who owns State Route 9 over West Branch Saratoga Crk?

It is owned by the State Highway Agency.