US Bridges

S280-S17 Connector over Moorpark Avenue

Good

Santa Clara County, California · 04-SCL-280-L5.49-SJS · Structure no. 37 0188F

Built
1964
61 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
181 ft
1 main span
Daily traffic
15,400
2002 count
Owner
State
State Highway Agency

About this bridge

S280-S17 Connector over Moorpark Avenue is a steel stringer/multi-beam or girder carrying S280-S17 Connector over Moorpark Avenue in Santa Clara County, California. It was built in 1964, so it is 61 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 15,400 vehicles a day, roughly 3% of them trucks, projected to reach 25,103 by 2047. The structure is 181 ft (55.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS280-S17 Connector
CrossesMoorpark Avenue
Location04-SCL-280-L5.49-SJS
RouteInterstate 280
Coordinates37.31591, -121.9412
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length181 ft (55.2 m)
Longest span93 ft (28.3 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2002)
Projected traffic25,103 by 2047
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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-S17 Connector over Moorpark Avenue built?

It was built in 1964, making it 61 years old in 2025.

What condition is S280-S17 Connector over Moorpark Avenue 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 February 2025.

How much traffic does S280-S17 Connector over Moorpark Avenue carry?

About 15,400 vehicles per day (2002 count), of which roughly 3% are trucks.

How long is S280-S17 Connector over Moorpark Avenue?

The structure is 181 ft (55.2 m) long with a longest span of 93 ft (28.3 m) and a deck 26 ft wide.

Who owns S280-S17 Connector over Moorpark Avenue?

It is owned by the State Highway Agency.