US 18 over Floyd River

Fair Condition34 years old5,100 vehicles/day

Location

StateIowa
CountySioux
Location0.2 W Of Jct. SR L26
CarriesUS 18
CrossesFloyd River
Coordinates43.18583, -95.86869

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length209.0 ft (63.7 m)
Max Span68.9 ft (21 m)
Deck Width47.2 ft (14.4 m)
Deck Area917.3 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic5,100 (2022)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000048351

Nearby Bridges