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Local 220 Ave over Stream

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

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

Local 220 Ave over Stream in Delaware 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 1967, making it 58 years old at the 2025 inventory.
It carries about 26 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 20 of the 294 inventoried bridges in Delaware County rated poor (6.8%); 20 (6.8%) 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 23 ft
Location	089043102
NBI structure number	000000000141620
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 20 over Stream	1963	9,700	Fair
US 20 over Stream	1963	9,000	Good
US 20 over Drainage Ditch	1963	9,000	Fair
Ia 13 over Maquoketa River	1991	7,900	Good
Ia 13 over US 20	1970	6,400	Fair
W Marion St over Maquoketa River	1980	6,294	Poor