US 20 Wbl over Americana Blvd;15th St.

Fair Condition34 years old32,500 vehicles/day

Location

StateIdaho
CountyAda
LocationIn Boise; Front Street
CarriesUS 20 Wbl
CrossesAmericana Blvd;15th St.
Coordinates43.61810, -116.21300

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length548.9 ft (167.3 m)
Max Span140.1 ft (42.7 m)
Deck Width56.1 ft (17.1 m)
Deck Area2860.8 sq m
Main Spans4
Year Built1992

Traffic

Avg Daily Traffic32,500 (2023)
Truck Traffic4%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last Inspection721
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012774

Nearby Bridges