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Ia 3 over Drainage Ditch

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

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

Ia 3 over Drainage Ditch in Pocahontas County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1954, making it 71 years old at the 2025 inventory.
It carries about 1,510 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 107 of the 198 inventoried bridges in Pocahontas County rated fair (54.0%); 50 (25.3%) 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	Steel stringer or multi-beam girder
Length	about 35 ft
Location	5.1 mi. W of IA 4
NBI structure number	000000000040090
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ia 4 over Lizard Creek	1968	3,750	Good
Ia 3 over Lizard Creek	1968	3,670	Fair
Ia 4 over North Lizard Creek	1976	3,150	Good
Ia 4 over North Lizard Creek	1976	3,150	Fair
Ia 4 over Drainage Ditch	1991	2,420	Fair
Ia 3 over Drainage Ditch 53	1984	2,390	Good