IRR BIA RTE 56 over Usbr Drain

Fair Condition58 years old55 vehicles/day

Location

StateArizona
CountyLa Paz
Location3 Km West Of BIA 1
CarriesIRR BIA RTE 56
CrossesUsbr Drain
Coordinates33.76688, -114.50018

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length74.1 ft (22.6 m)
Max Span24.6 ft (7.5 m)
Deck Width27.2 ft (8.3 m)
Deck Area187.6 sq m
Main Spans3
Year Built1968

Traffic

Avg Daily Traffic55 (2024)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Structure Number00000000000H033

Nearby Bridges

IRR BIA RTE 56 over Main Drain 0.9 mi Poor IRR BIA RTE 1 over Mesa Drain 2.0 mi Fair IRR BIA RTE 60 over Usbr Drain 2.0 mi Fair IRR BIA Route 1 over Tyson Waterway 2.1 mi Fair IRR BIA RTE 60 over Main Drain 2.1 mi Poor IRR BIA Route 1 over Tyson Wash 2.2 mi Good IRR BIA RTE 50 over Usbr Main Drain 3.1 mi Fair IRR BIA RTE 50 over Main Drain 3.1 mi Fair