Structure H57614B0144 · Pinal County, AZ

IRR BIA RTE 7 over Gila River

Carries IRR BIA RTE 7 over Gila River, 1.5 Km North Of Sacaton.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT139 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

139 ft end to end, longest span 69 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 multi-beam bridge.

Built201511 years old
Length139.4 ft42.5 m
Daily traffic4,224counted 2023
Last inspectedJanuary 2023every 24 months

Location

StateArizona
CountyPinal
Location1.5 Km North Of Sacaton
CarriesIRR BIA RTE 7
CrossesGila River
Coordinates33.09169, -111.74119

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length139.4 ft (42.5 m)
Max Span68.9 ft (21 m)
Deck Width53.5 ft (16.3 m)
Deck Area692.8 sq m
Main Spans2
Year Built2015

Traffic

Avg Daily Traffic4,224 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000H57614B0144

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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