Structure 37C0373L · Santa Clara County, CA

Tasman Drive over Barber Lane

Carries Tasman Drive over Barber Lane, 0.2 Km West Of I-880.

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 FT169 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

169 ft end to end, longest span 87 ft: about 2 semi-trucks nose to tail. 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.

Built199630 years old
Length169.3 ft51.6 m
Daily traffic15,500counted 2009
Last inspectedJune 2021every 48 months

Location

StateCalifornia
CountySanta Clara
Location0.2 Km West Of I-880
CarriesTasman Drive
CrossesBarber Lane
Coordinates37.41528, -121.91434

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length169.3 ft (51.6 m)
Max Span86.9 ft (26.5 m)
Deck Width54.8 ft (16.7 m)
Deck Area861.7 sq m
Main Spans2
Year Built1996

Traffic

Avg Daily Traffic15,500 (2009)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2021
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number37C0373L

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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