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Lewis Ave over North Turkey Creek

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

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

Lewis Ave over North Turkey Creek in Adair 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 8 (very good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 145 of the 303 inventoried bridges in Adair County rated good (47.9%); 37 (12.2%) 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


Structure	Steel stringer or multi-beam girder
Length	about 70 ft
Location	0.9 mi S of G15 on Lewis
NBI structure number	000000000058151
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-80 over Drainage Ditch	1959	27,600	Fair
I-80 over Drainage Ditch	1959	27,600	Fair
I-80 over North River	1958	25,900	Fair
I-80 over Plunger Creek	1959	25,900	Fair
I-80 over Middle River	1958	24,800	Fair
I-80 over Drainage Ditch	1958	24,800	Fair