Structure 1576 · Mohave County, AZ

US 93 SB over Cerbat Wash

Carries US 93 SB over Cerbat Wash, 6.9 Mi N Of Jct SR 68.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
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 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

111 ft end to end, longest span 30 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.

Built197254 years old
Length110.9 ft33.8 m
Daily traffic8,142counted 2022
Last inspectedOctober 2023every 24 months

Location

StateArizona
CountyMohave
Location6.9 Mi N Of Jct SR 68
CarriesUS 93 SB
CrossesCerbat Wash
Coordinates35.30320, -114.19180

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length110.9 ft (33.8 m)
Max Span29.9 ft (9.1 m)
Deck Width46.6 ft (14.2 m)
Deck Area480.0 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic8,142 (2022)
Truck Traffic24%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number01576

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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