US Bridges

S280-FOOTHILL Off over UP RR

Fair

Santa Clara County, California · 04-SCL-280-11.48-LATS · Structure no. 37 0242K

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
204 ft
3 main spans
Daily traffic
5,500
2002 count
Owner
State
State Highway Agency

About this bridge

S280-FOOTHILL Off over UP RR is a concrete continuous box beam or girders - multiple carrying S280-FOOTHILL Off over UP RR in Santa Clara County, California. It was built in 1967, so it is 58 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 5,500 vehicles a day, roughly 2% of them trucks, projected to reach 8,871 by 2042. The structure is 204 ft (62.2 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS280-FOOTHILL Off
CrossesUP RR
Location04-SCL-280-11.48-LATS
RouteInterstate 280
CountySanta Clara County
StateCalifornia
Coordinates37.33339, -122.06967
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span84 ft (25.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2002)
Projected traffic8,871 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 S280-FOOTHILL Off over UP RR built?

It was built in 1967, making it 58 years old in 2025.

What condition is S280-FOOTHILL Off over UP RR 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 January 2024.

How much traffic does S280-FOOTHILL Off over UP RR carry?

About 5,500 vehicles per day (2002 count), of which roughly 2% are trucks.

How long is S280-FOOTHILL Off over UP RR?

The structure is 204 ft (62.2 m) long with a longest span of 84 ft (25.6 m) and a deck 35 ft wide.

Who owns S280-FOOTHILL Off over UP RR?

It is owned by the State Highway Agency.