Structure H167 · Gila County, AZ

IRR BIA RTE 3 over Soda Springs Gulch

Carries IRR BIA RTE 3 over Soda Springs Gulch, 16 Km South Of HWY 70.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

156 ft end to end, longest span 31 ft: 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 or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built193096 years old
Length155.5 ft47.4 m
Daily traffic514counted 2024
Last inspectedJanuary 2024every 24 months

Location

StateArizona
CountyGila
Location16 Km South Of HWY 70
CarriesIRR BIA RTE 3
CrossesSoda Springs Gulch
Coordinates33.19667, -110.52592

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length155.5 ft (47.4 m)
Max Span31.2 ft (9.5 m)
Deck Width27.2 ft (8.3 m)
Deck Area393.4 sq m
Main Spans5
Year Built1930

Traffic

Avg Daily Traffic514 (2024)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000000H167

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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