Structure 38C0362 · Stanislaus County, CA

Aldrich Road over T.i.d. Ceres Main Canal

Carries Aldrich Road over T.i.d. Ceres Main Canal, 0.8 Mi N Of Fox Road.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT81 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

81 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 slab bridge.

Built20233 years old
Length81.0 ft24.7 m
Daily traffic300counted 2024
Last inspectedNovember 2024every 24 months

Location

StateCalifornia
CountyStanislaus
Location0.8 Mi N Of Fox Road
CarriesAldrich Road
CrossesT.i.d. Ceres Main Canal
Coordinates37.61316, -120.83812

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length81.0 ft (24.7 m)
Max Span77.1 ft (23.5 m)
Deck Width35.4 ft (10.8 m)
Deck Area266.8 sq m
Main Spans1
Year Built2023

Traffic

Avg Daily Traffic300 (2024)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number38C0362

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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