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FM over Broken Kettle Creek

Plymouth County, Iowa · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (42.6475, -96.50083)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure88Very good condition
Substructure77Good condition

Bridge details

StructureContinuous steel stringer or multi-beam girder
Lengthabout 200 ft
Location090480305
NBI structure number000000000271991
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)June 2024
Inspection interval (item 91)24 months
Scour (item 113)8: foundations stable, scour above the top of the footing

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

Busiest bridges in Plymouth County

BridgeBuiltVehicles/dayCondition
US 75 over Stream199918,200Fair
US 75 over Stream201914,900Good
US 75 over Stream201914,900Good
US 75 over Stream201914,900Good
US 75 over Stream201914,900Good
US 75 over Stream192614,000Poor

All bridges nearby: Plymouth County, IA bridge conditions · every bridge in Plymouth County · Iowa bridges.

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