Structure H088 · Apache County, AZ

IRR BIA RTE 71 over Big Bonito Creek

Carries IRR BIA RTE 71 over Big Bonito Creek, 25.8 Km SE Of White River.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT135 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

135 ft end to end, longest span 87 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a rigid-frame bridge.

Built198343 years old
Length134.8 ft41.1 m
Daily traffic90counted 2024
Last inspectedFebruary 2024every 24 months

Location

StateArizona
CountyApache
Location25.8 Km SE Of White River
CarriesIRR BIA RTE 71
CrossesBig Bonito Creek
Coordinates33.63481, -109.87672

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length134.8 ft (41.1 m)
Max Span87.3 ft (26.6 m)
Deck Width26.6 ft (8.1 m)
Deck Area332.9 sq m
Main Spans3
Year Built1983

Traffic

Avg Daily Traffic90 (2024)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000000H088

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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