Structure 37C0391R · Santa Clara County, CA

Silver Crk Vly RD over Silver Creek

Carries Silver Crk Vly RD over Silver Creek, 0.5 Km S Farnsworth DR.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT115 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

115 ft end to end. Lengths and the car 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.

Built199333 years old
Length114.5 ft34.9 m
Daily traffic1,150counted 2005
Last inspectedNovember 2023every 24 months

Location

StateCalifornia
CountySanta Clara
Location0.5 Km S Farnsworth DR
CarriesSilver Crk Vly RD
CrossesSilver Creek
Coordinates37.28304, -121.77304

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length114.5 ft (34.9 m)
Max Span114.5 ft (34.9 m)
Deck Width41.7 ft (12.7 m)
Deck Area443.2 sq m
Main Spans1
Year Built1993

Traffic

Avg Daily Traffic1,150 (2005)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number37C0391R

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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