US Bridges

N280-S17 Connector over I 280 SR 17 Conns Moorpk

Good

Santa Clara County, California · 04-SCL-280-L5.40-SJS · Structure no. 37 0050G

Built
1971
54 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
1,168 ft
10 main spans
Daily traffic
28,000
2002 count
Owner
State
State Highway Agency

About this bridge

N280-S17 Connector over I 280 SR 17 Conns Moorpk is a steel stringer/multi-beam or girder carrying N280-S17 Connector over I 280 SR 17 Conns Moorpk in Santa Clara County, California. It was built in 1971, so it is 54 years old, younger 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 28,000 vehicles a day, roughly 3% of them trucks, projected to reach 45,643 by 2047. The structure is 1,168 ft (356 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN280-S17 Connector
CrossesI 280 SR 17 Conns Moorpk
Location04-SCL-280-L5.40-SJS
RouteInterstate 280
Coordinates37.31813, -121.93837
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,168 ft (356 m)
Longest span156 ft (47.4 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2002)
Projected traffic45,643 by 2047
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 N280-S17 Connector over I 280 SR 17 Conns Moorpk built?

It was built in 1971, making it 54 years old in 2025.

What condition is N280-S17 Connector over I 280 SR 17 Conns Moorpk 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 N280-S17 Connector over I 280 SR 17 Conns Moorpk carry?

About 28,000 vehicles per day (2002 count), of which roughly 3% are trucks.

How long is N280-S17 Connector over I 280 SR 17 Conns Moorpk?

The structure is 1,168 ft (356 m) long with a longest span of 156 ft (47.4 m) and a deck 41 ft wide.

Who owns N280-S17 Connector over I 280 SR 17 Conns Moorpk?

It is owned by the State Highway Agency.