Structure 37 0547K · Santa Clara County, CA

SB 101 On-ramp over SB 101-sb 85 Connector

Carries SB 101 On-ramp over SB 101-sb 85 Connector, 04-scl-101-48.28-mvw.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT542 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

542 ft end to end, longest span 154 ft: about 1.5 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built200521 years old
Length542.0 ft165.2 m
Daily traffic6,400counted 2001
Last inspectedFebruary 2024every 24 months

Location

StateCalifornia
CountySanta Clara
Location04-scl-101-48.28-mvw
CarriesSB 101 On-ramp
CrossesSB 101-sb 85 Connector
Coordinates37.40938, -122.07229

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length542.0 ft (165.2 m)
Max Span154.2 ft (47 m)
Deck Width26.6 ft (8.1 m)
Deck Area1338.1 sq m
Main Spans4
Year Built2005

Traffic

Avg Daily Traffic6,400 (2001)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number37 0547K

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

Nearby Bridges