I 380 NB over US 30

Fair Condition51 years old21,900 vehicles/day

Location

StateIowa
CountyLinn
LocationAt The Jct. U.s. 30
CarriesI 380 NB
CrossesUS 30
Coordinates41.92661, -91.66984

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length267.1 ft (81.4 m)
Max Span91.9 ft (28 m)
Deck Width57.4 ft (17.5 m)
Deck Area1424.5 sq m
Main Spans4
Year Built1975

Traffic

Avg Daily Traffic21,900 (2022)
Truck Traffic15%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last Inspection123
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000607000

Nearby Bridges

I 380 SB over US 30 0.1 mi Fair J ST over US 30 0.2 mi Fair EB Ramp F over J Street SW 0.2 mi Fair 30 W To 380 N Ramp over J ST SW 0.2 mi Fair I 380 Ramp over Ramp F Over I-380 0.2 mi Good I-380 Ramp F EB over US 30 & 151 0.2 mi Fair US 30 & 151 over Drainage Ditch 0.3 mi Fair 6th St.sw. over US 30 0.3 mi Fair 50th AVE Southwest over Drainage Ditch 0.4 mi Fair 6th ST SW over Prairie Creek 0.4 mi Good