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Local over Drainage Ditch

Winnebago County, Iowa · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Local over Drainage Ditch in Winnebago County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1928, making it 97 years old at the 2025 inventory.
It carries about 82 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 16 of the 54 inventoried bridges in Winnebago County rated poor (29.6%); 16 (29.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 25 ft
Location	098240301
NBI structure number	000000000344360
Condition class	Poor

Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.

Bridge	Built	Vehicles/day	Condition
US 69 over Winnebago River	1988	5,400	Fair
Secor Ave over Winnebago River	1966	3,200	Fair
US 69 & Ia 9 over Winnebago River	1988	2,960	Fair
Ia 9 over Drainage Ditch	1975	2,320	Fair
US 69 over Lime Creek	1931	1,970	Fair
J St over Winnebago River	1974	1,884	Fair