US Bridges

Blossom Hill RD over Guadalupe River

Fair

Santa Clara County, California · 0.3 MI E Almaden Exp · Structure no. 37C0105

Built
1948
77 years old, rebuilt 1979
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
20,400
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blossom Hill RD over Guadalupe River is a concrete continuous tee beam carrying Blossom Hill RD over Guadalupe River in Santa Clara County, California. It was built in 1948 and reconstructed in 1979, so it is 77 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 20,400 vehicles a day, roughly 5% of them trucks, projected to reach 32,380 by 2043. The structure is 128 ft (39 m) long and 121 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBlossom Hill RD
CrossesGuadalupe River
Location0.3 MI E Almaden Exp
RouteCity Street 0
Coordinates37.25034, -121.87056
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span42 ft (12.8 m)
Deck width121 ft (36.8 m)
Roadway width91 ft (27.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2009)
Projected traffic32,380 by 2043
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Blossom Hill RD over Guadalupe River built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1979.

What condition is Blossom Hill RD over Guadalupe 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 June 2023.

How much traffic does Blossom Hill RD over Guadalupe River carry?

About 20,400 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Blossom Hill RD over Guadalupe River?

The structure is 128 ft (39 m) long with a longest span of 42 ft (12.8 m) and a deck 121 ft wide.

Who owns Blossom Hill RD over Guadalupe River?

It is owned by the City or Municipal Highway Agency.