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EB US 34 over BNSF RR

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

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

EB US 34 over BNSF RR in Mills 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 1973, making it 52 years old at the 2025 inventory.
It carries about 5,900 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 95 of the 184 inventoried bridges in Mills County rated fair (51.6%); 35 (19.0%) 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 170 ft
Location	0.5 Mi E of E Jct I-29
NBI structure number	000000000600953
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-29 over Fulsom Lake Outlet	2010	19,700	Good
NB I-29 over St Marys Creek	2009	9,850	Good
SB I-29 over St Marys Creek	2009	9,850	Good
Locust Street over Tinkle Branch	1976	8,957	Fair
US 34 over Missouri River	2014	7,100	Good
NB I-29 over Drainage Ditch	2009	6,850	Good