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US 20 EB over Ia 14

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

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

US 20 EB over Ia 14 in Grundy County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2000, making it 25 years old at the 2025 inventory.
It carries about 4,400 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 91 of the 288 inventoried bridges in Grundy County rated fair (31.6%); 77 (26.7%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 208 ft
Location	at Junction Ia 14
NBI structure number	000000000607320
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 Stream	1999	14,500	Good
US 20 over Stream	1999	13,500	Good
US 20 over Stream	1999	8,800	Good
US 20 WB over Grundy Rd	2000	6,800	Good
US 20 EB over Grundy Rd	2000	6,800	Good
US 20 WB over Stream	2000	6,800	Good