US 20 EB Ia 27 SB over Ianr Rr Tx ST Cedar Rvr

Fair Condition43 years old10,200 vehicles/day

Location

StateIowa
CountyBlack Hawk
Location0.4 Mi. S Of Jct. 20
CarriesUS 20 EB Ia 27 SB
CrossesIanr Rr Tx ST Cedar Rvr
Coordinates42.45516, -92.30852

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 Length1540.0 ft (469.4 m)
Max Span129.9 ft (39.6 m)
Deck Width43.3 ft (13.2 m)
Deck Area6196.1 sq m
Main Spans14
Year Built1983

Traffic

Avg Daily Traffic10,200 (2022)
Truck Traffic21%
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 Number000000000605280

Nearby Bridges