US 34 over over BNSF RR

Clarke 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 Clarke 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 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1967, making it 58 years old at the 2025 inventory.
• It carries about 3,430 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 66 of the 168 inventoried bridges in Clarke County rated fair (39.3%); 54 (32.1%) 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 → (41.03068, -93.72261)

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.