IRR SR 286; Fas 31 over Altar Wash

Fair Condition54 years old373 vehicles/day

Location

StateArizona
CountyPima
Location18.4 Mi S Jct SR 86
CarriesIRR SR 286; Fas 31
CrossesAltar Wash
Coordinates31.83870, -111.40490

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length231.0 ft (70.4 m)
Max Span77.1 ft (23.5 m)
Deck Width40.7 ft (12.4 m)
Deck Area873.0 sq m
Main Spans3
Year Built1972

Traffic

Avg Daily Traffic373 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number01574