IRR BIA RTE 3 over Rockhouse Canyon

Fair Condition97 years old120 vehicles/day

Location

StateArizona
CountyPinal
Location4.3 Km E Of Coolidge Dam
CarriesIRR BIA RTE 3
CrossesRockhouse Canyon
Coordinates33.16325, -110.48711

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length80.4 ft (24.5 m)
Max Span39.4 ft (12 m)
Deck Width23.0 ft (7 m)
Deck Area171.5 sq m
Main Spans2
Year Built1929

Traffic

Avg Daily Traffic120 (2024)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Structure Number00000000000H170

Nearby Bridges

IRR BIA RTE 3 over Wash 0.6 mi Good IRR BIA RTE 3 over Gulch 1.1 mi Good BIA Route 3 over E-spillway Coolidge Dam 2.4 mi Poor BIA Route 3 over Coolidge Dam W. Spillway 2.6 mi Fair IRR BIA RTE 3 over Squaw Canyon 2.8 mi Fair IRR BIA RTE 3 over Deep Gulch 3.2 mi Fair IRR BIA RTE 3 over Soda Springs Gulch 3.2 mi Fair IRR BIA RTE 3 over Cottonwood Canyon 3.2 mi Fair IRR BIA RTE 3 over Sandy Wash 4.0 mi Good IRR BIA RTE 3 over Kelly Gulch 4.6 mi Fair