Structure 22 0019 · Yolo County, CA

State Route 16 over Cache Creek

Carries State Route 16 over Cache Creek, 03-yol-016-3.87.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT375 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 5/9 · sets the rating

375 ft end to end, longest span 60 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built193888 years old
Length375.0 ft114.3 m
Daily traffic750counted 2015
Last inspectedMarch 2023every 24 months

Location

StateCalifornia
CountyYolo
Location03-yol-016-3.87
CarriesState Route 16
CrossesCache Creek
Coordinates38.91027, -122.27963

Physical Characteristics

MaterialConcrete Continuous
DesignGirder and Floorbeam
Total Length375.0 ft (114.3 m)
Max Span60.0 ft (18.3 m)
Deck Width30.8 ft (9.4 m)
Deck Area1074.4 sq m
Main Spans8
Year Built1938

Traffic

Avg Daily Traffic750 (2015)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number22 0019

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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