US Bridges

Blossom Hill Road over State Route 17

Fair

Santa Clara County, California · 04-SCL-017-7.67-LGTS · Structure no. 37 0148

Built
1959
66 years old, rebuilt 1997
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
205 ft
4 main spans
Daily traffic
6,653
2014 count
Owner
State
State Highway Agency

About this bridge

Blossom Hill Road over State Route 17 is a concrete continuous tee beam carrying Blossom Hill Road over State Route 17 in Santa Clara County, California. It was built in 1959 and reconstructed in 1997, so it is 66 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 6,653 vehicles a day, roughly 3% of them trucks, projected to reach 8,832 by 2046. The structure is 205 ft (62.6 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBlossom Hill Road
CrossesState Route 17
Location04-SCL-017-7.67-LGTS
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.23446, -121.97111
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length205 ft (62.6 m)
Longest span64 ft (19.5 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,653 (2014)
Projected traffic8,832 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blossom Hill Road over State Route 17 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1997.

What condition is Blossom Hill Road over State Route 17 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 July 2024.

How much traffic does Blossom Hill Road over State Route 17 carry?

About 6,653 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Blossom Hill Road over State Route 17?

The structure is 205 ft (62.6 m) long with a longest span of 64 ft (19.5 m) and a deck 41 ft wide.

Who owns Blossom Hill Road over State Route 17?

It is owned by the State Highway Agency.