Structure 38 0007K · Stanislaus County, CA

Mitchell Rd-s99 On over Ceres Main Canal

Carries Mitchell Rd-s99 On over Ceres Main Canal, 10-sta-099-r10.03.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

31 ft end to end, longest span 15 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 slab bridge.

Built1912rebuilt 1927
Length31.2 ft9.5 m
Daily traffic7,400counted 2000
Last inspectedJanuary 2025every 24 months

Location

StateCalifornia
CountyStanislaus
Location10-sta-099-r10.03
CarriesMitchell Rd-s99 On
CrossesCeres Main Canal
Coordinates37.57434, -120.93748

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length31.2 ft (9.5 m)
Max Span15.1 ft (4.6 m)
Deck Width34.1 ft (10.4 m)
Deck Area98.8 sq m
Main Spans2
Year Built1912 (reconstructed 1927)

Traffic

Avg Daily Traffic7,400 (2000)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number38 0007K

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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