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380TH over Stream

Worth County, Iowa · rated Poor in the 2025 National Bridge Inventory

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

380TH over Stream in Worth County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 33 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 17 of the 116 inventoried bridges in Worth County rated poor (14.7%); 17 (14.7%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 42 ft
Location	098201601
NBI structure number	000000000355660
Condition class	Poor

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	1972	20,600	Good
I-35 over Goose Creek	1972	20,100	Fair
NB I 35 over over UP RR	1970	10,700	Fair
SB I 35 over over UP RR	1970	10,500	Fair
NB I-35 over Elk Creek	1972	9,950	Fair
SB I-35 over Elk Creek	1972	9,750	Fair