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Ia 148 over over BNSF RR

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

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

Ia 148 over over BNSF RR in Adams County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1976, making it 49 years old at the 2025 inventory.
It carries about 3,580 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 23 of the 185 inventoried bridges in Adams County rated good (12.4%); 85 (45.9%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 195 ft
Location	0.6 Mi. N of Jct. Ia 34
NBI structure number	000000000013401
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ia 148 over East Nodaway River	1976	3,580	Fair
US 34 over E Nodaway River & BNSF R	1964	2,970	Fair
US 34 over Metz Creek	1921	2,390	Fair
US 34 over Platte River	2014	2,390	Good
US 34 over Kemp Creek	1964	2,240	Fair
Sycamore Avenue over Saylings Creek	1967	1,404	Fair