I 380 SB over Ianr Rr Tx ST Cedar Rvr

Fair Condition43 years old10,700 vehicles/day

Location

StateIowa
CountyBlack Hawk
Location0.4 Mi. S Of U.s. 20
CarriesI 380 SB
CrossesIanr Rr Tx ST Cedar Rvr
Coordinates42.45469, -92.30779

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length887.1 ft (270.4 m)
Max Span116.1 ft (35.4 m)
Deck Width43.3 ft (13.2 m)
Deck Area3569.3 sq m
Main Spans9
Year Built1983

Traffic

Avg Daily Traffic10,700 (2021)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000605350

Nearby Bridges