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SB I-35 over White Breast Creek

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

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

SB I-35 over White Breast Creek in Clarke 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 1969, making it 56 years old at the 2025 inventory.
It carries about 8,850 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 66 of the 168 inventoried bridges in Clarke County rated fair (39.3%); 54 (32.1%) 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 142 ft
Location	1.3 Mi. S of Jct. US 34
NBI structure number	000000000020150
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-35 over Drainage Ditch	1957	18,600	Fair
I 35 SB over South West Creek	2013	9,550	Fair
I 35 SB over West Creek	2013	9,550	Good
NB I-35 over South West Creek	2012	9,400	Good
NB I-35 over West Creek	2012	9,400	Fair
NB I-35 over White Breast Creek	1969	8,650	Fair