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US 169 over BNSF RR

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

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

US 169 over BNSF RR in Union 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 1980, making it 45 years old at the 2025 inventory.
It carries about 3,870 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 53 of the 172 inventoried bridges in Union County rated good (30.8%); 55 (32.0%) 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 261 ft
Location	0.2 Mi. S of S Jct. US 34
NBI structure number	000000000050121
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 34 over Br. East Platte River	1971	4,890	Fair
US 34 over over BNSF RR	1971	4,890	Fair
US 34 over Twelve Mile Creek	1971	4,890	Fair
US 34 over Twelve Mile Creek	1971	4,890	Fair
Ia 25 over Stream	1976	4,870	Fair
US 34 & Ia 25 over Branch Platte River	1973	3,730	Fair