US Bridges

State Route 9 over Saratoga Creek

Fair

Santa Clara County, California · 04-SCL-009-4.85 · Structure no. 37 0074

Built
1902
123 years old, rebuilt 2015
Condition
Fair
inspected February 2025
Type
Arch - Deck
Masonry
Length
136 ft
2 main spans
Daily traffic
2,450
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 9 over Saratoga Creek is a masonry arch - deck carrying State Route 9 over Saratoga Creek in Santa Clara County, California. It was built in 1902 and reconstructed in 2015, so it is 123 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 5 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 2,450 vehicles a day, roughly 1% of them trucks, projected to reach 5,839 by 2047. The structure is 136 ft (41.5 m) long and 26 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesState Route 9
CrossesSaratoga Creek
Location04-SCL-009-4.85
RouteState Highway 9
Coordinates37.24882, -122.06819
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2009)
Projected traffic5,839 by 2047
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 Saratoga Creek built?

It was built in 1902, making it 123 years old in 2025. It was reconstructed in 2015.

What condition is State Route 9 over Saratoga Creek 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 February 2025.

How much traffic does State Route 9 over Saratoga Creek carry?

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

How long is State Route 9 over Saratoga Creek?

The structure is 136 ft (41.5 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns State Route 9 over Saratoga Creek?

It is owned by the State Highway Agency.