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Local over Mud Creek

Benton County, Iowa · rated Poor in the 2025 National Bridge Inventory

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

Local over Mud Creek in Benton County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1983, making it 42 years old at the 2025 inventory.
It carries about 26 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 81 of the 373 inventoried bridges in Benton County rated poor (21.7%); 81 (21.7%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 41 ft
Location	084112304
NBI structure number	000000000072111
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 380 over Drainage Ditch	1982	21,300	Good
I-380 over Prairie Creek	1983	17,900	Good
US 30 & 218 over Stream	1991	15,400	Fair
I 380 NB over Ia 150	1982	8,550	Good
I 380 SB over Ia 150	1982	8,550	Good
US 151 over Knapp Creek	1995	7,800	Good