IRR BIA RTE 1 over Main Drain

Poor Condition64 years old3,000 vehicles/day

Location

StateArizona
CountyLa Paz
Location0.7 Km N Of BIA 1/10 Int.
CarriesIRR BIA RTE 1
CrossesMain Drain
Coordinates34.09115, -114.38997

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure7 (Good)
Substructure4 (Poor)
Channel/Waterway5 (Fair)
Scour Critical4 — Foundations need monitoring

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length75.5 ft (23 m)
Max Span24.9 ft (7.6 m)
Deck Width34.1 ft (10.4 m)
Deck Area239.2 sq m
Main Spans3
Year Built1962

Traffic

Avg Daily Traffic3,000 (2021)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2021
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Structure Number00000000000H004

Nearby Bridges

IRR BIA RTE 10 over Main Drain 1.1 mi Fair IRR BIA RTE 10 over Main Canal 3.7 mi Fair IRR BIA RTE 4 over Main Canal 3.9 mi Fair IRR BIA RTE 18 over Colorado River 4.2 mi Fair IRR BIA RTE 1 over East Drain Ditch 4.3 mi Fair IRR BIA RTE 39 over Lateral Canal 19- R 4.7 mi Good IRR BIA RTE 1 over Main Irrigation Canal 4.9 mi Fair