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Ia 27 SB over Des Moines River

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

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

Ia 27 SB over Des Moines River in Lee 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 2002, making it 23 years old at the 2025 inventory.
It carries about 3,650 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 89 of the 214 inventoried bridges in Lee County rated fair (41.6%); 30 (14.0%) 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 tee beam
Length	about 907 ft
Location	St. Francis Border Bridge
NBI structure number	000000000603985
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ave L over Dry Creek	1915	10,953	Poor
US 136 over Mississippi River RR Rd	1985	10,500	Fair
Ave H over French Creek	1983	10,382	Fair
Ia 27 over Stream	1947	7,200	Fair
Ia 27 over Sugar Creek	2001	7,200	Fair
Ia 2 over US 61	2011	6,200	Fair