FM over Boone River

Fair Condition53 years old429 vehicles/day

Location

StateIowa
CountyHamilton
Location087261406
CarriesFM
CrossesBoone River
Coordinates42.35018, -93.84616

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length390.1 ft (118.9 m)
Max Span149.9 ft (45.7 m)
Deck Width32.2 ft (9.8 m)
Deck Area1165.2 sq m
Main Spans3
Year Built1973 (reconstructed 2015)

Traffic

Avg Daily Traffic429 (2022)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last Inspection922
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000171531

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