IRR US 70 over Cottonwood Canyon

Fair Condition70 years old2,904 vehicles/day

Location

StateArizona
CountyGraham
Location29.4 Mi E Jct SR 77
CarriesIRR US 70
CrossesCottonwood Canyon
Coordinates33.24149, -110.25969

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length38.1 ft (11.6 m)
Max Span12.1 ft (3.7 m)
Deck Area120.6 sq m
Main Spans3
Year Built1956

Traffic

Avg Daily Traffic2,904 (2021)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number04286

Nearby Bridges