Structure 37 0475F · Santa Clara County, CA

S101-e25 Connector over Drainage Ditch

Carries S101-e25 Connector over Drainage Ditch, 04-scl-101-3.25.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT545 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

545 ft end to end, longest span 42 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 slab bridge.

Built198937 years old
Length544.9 ft166.1 m
Daily traffic8,900counted 1998
Last inspectedOctober 2024every 48 months

Location

StateCalifornia
CountySanta Clara
Location04-scl-101-3.25
CarriesS101-e25 Connector
CrossesDrainage Ditch
Coordinates36.96125, -121.55164

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length544.9 ft (166.1 m)
Max Span42.0 ft (12.8 m)
Deck Width27.6 ft (8.4 m)
Deck Area1395.2 sq m
Main Spans14
Year Built1989

Traffic

Avg Daily Traffic8,900 (1998)
Truck Traffic20%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number37 0475F

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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