Structure 304-0005 · Yuma County, AZ

22nd Avenue over Main Outlet Drain Extens

Carries 22nd Avenue over Main Outlet Drain Extens, 3 Mile NW From Yuma.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
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 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

37 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 multi-beam bridge.

Built196660 years old
Length37.4 ft11.4 m
Daily traffic40counted 2012
Last inspectedFebruary 2024every 24 months

Location

StateArizona
CountyYuma
Location3 Mile NW From Yuma
Carries22nd Avenue
CrossesMain Outlet Drain Extens
Coordinates32.72922, -114.64681

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length37.4 ft (11.4 m)
Max Span36.4 ft (11.1 m)
Deck Width28.9 ft (8.8 m)
Deck Area100.3 sq m
Main Spans1
Year Built1966

Traffic

Avg Daily Traffic40 (2012)
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Reclamation
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0304-0005

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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