Structure 37C0012 · Santa Clara County, CA

Stevens CR BLVD over Calabazas Creek

Carries Stevens CR BLVD over Calabazas Creek, At Vallco PKWY.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 4 of 9.

How ratings work
Culvertsets the rating4/9 · Poor
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 24 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built197848 years old
Length24.3 ft7.4 m
Daily traffic27,600counted 2020
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountySanta Clara
LocationAt Vallco PKWY
CarriesStevens CR BLVD
CrossesCalabazas Creek
Coordinates37.32281, -122.01113

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length24.3 ft (7.4 m)
Max Span11.8 ft (3.6 m)
Deck Width133.9 ft (40.8 m)
Deck Area301.9 sq m
Main Spans2
Year Built1978

Traffic

Avg Daily Traffic27,600 (2020)
Truck Traffic2%
Lanes On Bridge7

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number37C0012

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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