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Ia 7 over over Cc RR

Calhoun County, Iowa · rated Fair in the 2025 National Bridge Inventory

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

Ia 7 over over Cc RR in Calhoun County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 2,560 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 99 of the 198 inventoried bridges in Calhoun County rated fair (50.0%); 49 (24.7%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 312 ft
Location	0.8 mi. E of SR P19
NBI structure number	000000000016981
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 20 over East Cedar Creek	2008	7,000	Good
US 20 over Dd 9 & 13	2008	6,900	Good
US 20 over W Fork Camp Creek	2010	5,900	Good
US 20 over Drainage Ditch No 1 & 54	2010	5,900	Good
US 20 WB over Cc RR	2011	3,450	Good
US 20 EB over Cc RR	2010	3,450	Good