Structure 36F0006 · Santa Cruz County, CA

Hihns Mill RD over Soquel Creek

Carries Hihns Mill RD over Soquel Creek, West Of Highland Way.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

56 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 girder bridge.

Built195472 years old
Length56.1 ft17.1 m
Daily traffic50counted 2016
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountySanta Cruz
LocationWest Of Highland Way
CarriesHihns Mill RD
CrossesSoquel Creek
Coordinates37.08175, -121.85065

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length56.1 ft (17.1 m)
Max Span56.1 ft (17.1 m)
Deck Width13.1 ft (4 m)
Deck Area68.4 sq m
Main Spans1
Year Built1954

Traffic

Avg Daily Traffic50 (2016)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Park/Forest Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number36F0006

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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