Structure 10039 · Navajo County, AZ

Coachline BLVD over Wash

Carries Coachline BLVD over Wash, 0.3 Mi N Silverbell RD.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT175 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 175 ft across with 10 openings: about 2 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, so those are drawn as typical for a culvert.

Built198838 years old
Length174.9 ft53.3 m
Daily traffic7,010counted 2020
Last inspectedMay 2024every 48 months

Location

StateArizona
CountyNavajo
Location0.3 Mi N Silverbell RD
CarriesCoachline BLVD
CrossesWash
Coordinates32.36944, -111.12500

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length174.9 ft (53.3 m)
Max Span14.1 ft (4.3 m)
Deck Area863.5 sq m
Main Spans10
Year Built1988

Traffic

Avg Daily Traffic7,010 (2020)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number10039

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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