US 34 over over BNSF RR

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

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

• US 34 over over BNSF RR in Mills 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 1966 and reconstructed in 2022, making it 59 years old at the 2025 inventory.
• It carries about 6,000 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 95 of the 184 inventoried bridges in Mills County rated fair (51.6%); 35 (19.0%) 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.

View this bridge on a map → (41.03128, -95.62506)

Component ratings

Bridge details

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

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.