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Main St over Cedar River

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

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

Main St over Cedar River in Floyd County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1909, making it 116 years old at the 2025 inventory.
It carries about 4,971 vehicles a day (traffic count year 2022).
Its listed owner is a city or municipal highway agency.
It is one of 30 of the 214 inventoried bridges in Floyd County rated poor (14.0%); 30 (14.0%) 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

Component	Rating (2025)	FHWA scale meaning
Superstructure	4	Poor condition
Substructure	4	Poor condition


Structure	Continuous concrete deck arch
Length	about 248 ft
Location	095161205
NBI structure number	000000000001820
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 18 over Stewart Creek	1998	11,200	Good
US 18 & 218 over Stewart Creek	1998	10,900	Good
US 18 over Drainage Ditch	1998	10,700	Good
US 18 over Cedar River	1967	10,500	Fair
US 218 over Stream	2001	10,200	Fair
US 218 over Bloody Run	1999	10,000	Good