280th ST over Boone River

Poor Condition124 years old62 vehicles/day

Location

StateIowa
CountyHamilton
Location088253108
Carries280th ST
CrossesBoone River
Coordinates42.38643, -93.80923

Condition Ratings

Overall ConditionPoor
Deck0 (Failed)
Superstructure0 (Failed)
Substructure0 (Failed)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length186.0 ft (56.7 m)
Max Span160.1 ft (48.8 m)
Deck Width16.1 ft (4.9 m)
Deck Area277.8 sq m
Main Spans1
Year Built1902 (reconstructed 2008)

Traffic

Avg Daily Traffic62 (2022)
Lanes On Bridge1

Inspection & Ownership

Last Inspection920
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number000000000171920

Nearby Bridges

280th ST over Boone River 0.2 mi Good Inkpaduta AVE over Boone River 1.3 mi Poor FM over Boone River 3.1 mi Fair Ia 17 over Boone River 3.1 mi Fair D41 280th ST over Creek 4.2 mi Good Ia 17 over US 20 4.3 mi Good Local over Creek 4.3 mi Poor Local over Creek 4.3 mi Fair EB US 20 over Boone River 4.4 mi Fair WB US 20 over Boone River/rec Trail 4.4 mi Fair