SB Rp I-380 &20 over I-380 & 20

Fair Condition46 years old80 vehicles/day

Location

StateIowa
CountyBlack Hawk
LocationAt East Jct. I-380
CarriesSB Rp I-380 &20
CrossesI-380 & 20
Coordinates42.44989, -92.19089

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length422.9 ft (128.9 m)
Max Span115.2 ft (35.1 m)
Deck Width29.2 ft (8.9 m)
Deck Area1147.2 sq m
Main Spans4
Year Built1980

Traffic

Avg Daily Traffic80 (2022)
Truck Traffic30%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000604940

Nearby Bridges