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S Elk Run Rd over Elk Run Creek

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

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

S Elk Run Rd over Elk Run Creek in Black Hawk 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 1971, making it 54 years old at the 2025 inventory.
It carries about 3,574 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 210 of the 489 inventoried bridges in Black Hawk County rated fair (42.9%); 25 (5.1%) 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.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 175 ft
Location	89-12-34-04
NBI structure number	000000000075831
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 218 over Quarry Lake & Wyth Rd	1989	29,000	Fair
US 218 over Broadway St	1989	23,100	Fair
US 218 over Airport Blvd	1989	23,100	Fair
US 218 over Cedar Rvr & Trail	1989	21,500	Fair
Ia 27 over Br Dry Run Creek	1993	20,900	Good
I 380 NB over Ianr RR Tx St Cedar Rvr	1983	19,950	Fair