IRR BIA RTE N59 over Long Flat Wash

Fair Condition57 years old1,620 vehicles/day

Location

StateArizona
CountyNavajo
Location8 Mi NW Of Agency Line
CarriesIRR BIA RTE N59
CrossesLong Flat Wash
Coordinates36.53419, -110.03514

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length26.9 ft (8.2 m)
Max Span12.1 ft (3.7 m)
Deck Width63.0 ft (19.2 m)
Deck Area157.4 sq m
Main Spans2
Year Built1969

Traffic

Avg Daily Traffic1,620 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Structure Number00000000000N327

Nearby Bridges

IRR BIA RTE N59 over Wash 0.6 mi Fair IRR BIA RTE N59 over Chilchinbito Wash 1.6 mi Fair IRR BIA RTE N59 over Blackhorse Wash 3.4 mi Fair