Ia 17 over Boone River

Fair Condition54 years old3,460 vehicles/day

Location

StateIowa
CountyHamilton
Location1.3 Miles S Of Jct US 20
CarriesIa 17
CrossesBoone River
Coordinates42.43190, -93.80596

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length326.1 ft (99.4 m)
Max Span125.0 ft (38.1 m)
Deck Width47.2 ft (14.4 m)
Deck Area1431.4 sq m
Main Spans3
Year Built1972

Traffic

Avg Daily Traffic3,460 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000026455

Nearby Bridges