Structure 35C0193 · San Mateo County, CA

Gazos Creek Road over Hillside

Carries Gazos Creek Road over Hillside, 0.8 Mi E/o Cloverdale RD.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

67 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.

Built198343 years old
Length66.9 ft20.4 m
Daily traffic75counted 2016
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountySan Mateo
Location0.8 Mi E/o Cloverdale RD
CarriesGazos Creek Road
CrossesHillside
Coordinates37.18731, -122.32835

Physical Characteristics

MaterialSteel
DesignBox Beam - Single/Spread
Total Length66.9 ft (20.4 m)
Max Span65.6 ft (20 m)
Deck Width8.9 ft (2.7 m)
Deck Area55.1 sq m
Main Spans1
Year Built1983

Traffic

Avg Daily Traffic75 (2016)
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number35C0193

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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