Structure 5391 · La Paz County, AZ

I 10; EB over La Cholla Wash

Carries I 10; EB over La Cholla Wash, 2.7 Mi W Jct US 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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT98 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 98 ft across with 9 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.

Built1953rebuilt 1963
Length98.1 ft29.9 m
Daily traffic8,314counted 2014
Last inspectedFebruary 2024every 48 months

Location

StateArizona
CountyLa Paz
Location2.7 Mi W Jct US 95
CarriesI 10; EB
CrossesLa Cholla Wash
Coordinates33.65664, -114.26164

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length98.1 ft (29.9 m)
Max Span9.8 ft (3 m)
Deck Width42.7 ft (13 m)
Deck Area388.7 sq m
Main Spans9
Year Built1953 (reconstructed 1963)

Traffic

Avg Daily Traffic8,314 (2014)
Truck Traffic26%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number05391

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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