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SB US 61 over Prairie Creek

Jackson County, Iowa · rated Good in the 2025 National Bridge Inventory

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

SB US 61 over Prairie Creek in Jackson County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1996, making it 29 years old at the 2025 inventory.
It carries about 4,600 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 78 of the 252 inventoried bridges in Jackson County rated good (31.0%); 36 (14.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
US 61 over Drainage Ditch	1967	8,100	Good
Y53 200TH Ave over Prairie Creek	2022	7,205	Good
US 61 NB over S Fork Maquoketa River	1967	5,100	Fair
US 61 SB over S Fork Maquoket River	1998	5,100	Fair
NB US 61 over Prairie Creek	1967	4,600	Fair
US 61 NB over N Fork Maquoketa River	1967	4,050	Fair