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US 34 over Coal Creek

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

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

US 34 over Coal Creek in Monroe 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 5 (fair condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 3,220 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 64 of the 131 inventoried bridges in Monroe County rated fair (48.9%); 29 (22.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 153 ft
Location	2.0 Mi. W of Jct. Ia 5
NBI structure number	000000000037400
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ia 5 (reloc) over over BNSF RR	1995	9,400	Fair
Ia 5 over Hocking Creek	1973	4,780	Good
Ia 137 over over UP RR	1993	3,910	Good
US 34 over Stream	1962	3,900	Fair
US 34 over Stream	1959	3,900	Fair
Ia 137 over Miller Creek	1986	2,400	Fair