Structure 4193 · Mohave County, AZ

I 40; EB & WB over Wash

Carries I 40; EB & WB over Wash, 0.3 Mi West Of Jct SR 95.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 87 ft across with 8 openings. 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, so those are drawn as typical for a culvert.

Built1952rebuilt 1972
Length86.9 ft26.5 m
Daily traffic17,196counted 2022
Last inspectedApril 2024every 48 months

Location

StateArizona
CountyMohave
Location0.3 Mi West Of Jct SR 95
CarriesI 40; EB & WB
CrossesWash
Coordinates34.73611, -114.32222

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length86.9 ft (26.5 m)
Max Span9.8 ft (3 m)
Deck Area614.8 sq m
Main Spans8
Year Built1952 (reconstructed 1972)

Traffic

Avg Daily Traffic17,196 (2022)
Truck Traffic49%
Lanes On Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number04193

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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