Structure 37 0548G · Santa Clara County, CA

N101-n85 Connector over U.s. Highway 101

Carries N101-n85 Connector over U.s. Highway 101, 04-scl-101-r26.78-sjs.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT634 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

634 ft end to end, longest span 200 ft: about 1.8 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.

Built199432 years old
Length633.9 ft193.2 m
Daily traffic16,800counted 2001
Last inspectedJanuary 2023every 24 months

Location

StateCalifornia
CountySanta Clara
Location04-scl-101-r26.78-sjs
CarriesN101-n85 Connector
CrossesU.s. Highway 101
Coordinates37.24186, -121.76791

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length633.9 ft (193.2 m)
Max Span200.1 ft (61 m)
Deck Width45.3 ft (13.8 m)
Deck Area2666.2 sq m
Main Spans4
Year Built1994

Traffic

Avg Daily Traffic16,800 (2001)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number37 0548G

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.

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