Structure 37C0558 · Santa Clara County, CA

Old Page Mill Road over Matadero Creek

Carries Old Page Mill Road over Matadero Creek, .5 Mi N/o I-280.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

23 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built1918108 years old
Length23.0 ft7 m
Daily traffic250counted 2015
Last inspectedSeptember 2023every 24 months

Location

StateCalifornia
CountySanta Clara
Location.5 Mi N/o I-280
CarriesOld Page Mill Road
CrossesMatadero Creek
Coordinates37.39747, -122.16165

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length23.0 ft (7 m)
Max Span21.0 ft (6.4 m)
Deck Width23.3 ft (7.1 m)
Deck Area49.7 sq m
Main Spans1
Year Built1918

Traffic

Avg Daily Traffic250 (2015)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number37C0558

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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