Structure 41C0036 · Madera County, CA

Santa Fe BLVD over Ash Slough

Carries Santa Fe BLVD over Ash Slough, 0.36 Mi N Of AVE 27.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT404 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

404 ft end to end, longest span 40 ft: about 6 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 slab bridge.

Built195670 years old
Length403.9 ft123.1 m
Daily traffic259counted 2020
Last inspectedMarch 2023every 24 months

Location

StateCalifornia
CountyMadera
Location0.36 Mi N Of AVE 27
CarriesSanta Fe BLVD
CrossesAsh Slough
Coordinates37.14626, -120.16390

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length403.9 ft (123.1 m)
Max Span40.0 ft (12.2 m)
Deck Width26.9 ft (8.2 m)
Deck Area1009.4 sq m
Main Spans10
Year Built1956

Traffic

Avg Daily Traffic259 (2020)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number41C0036

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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