Structure 22C0143 · Yolo County, CA

County Road 19 over Slough S6

Carries County Road 19 over Slough S6, 0.27 Mi East Of I-505.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

30 ft end to end, longest span 26 ft. 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 multi-beam bridge.

Built1930rebuilt 2003
Length30.2 ft9.2 m
Daily traffic650counted 2015
Last inspectedJanuary 2025every 24 months

Location

StateCalifornia
CountyYolo
Location0.27 Mi East Of I-505
CarriesCounty Road 19
CrossesSlough S6
Coordinates38.71892, -121.95385

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length30.2 ft (9.2 m)
Max Span26.2 ft (8 m)
Deck Width31.5 ft (9.6 m)
Deck Area88.3 sq m
Main Spans2
Year Built1930 (reconstructed 2003)

Traffic

Avg Daily Traffic650 (2015)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number22C0143

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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