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Local over Stream

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

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

Local over Stream in Woodbury County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
It was built in 1938, making it 87 years old at the 2025 inventory.
It carries about 15 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 95 of the 455 inventoried bridges in Woodbury County rated poor (20.9%); 95 (20.9%) 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

Component	Rating (2025)	FHWA scale meaning
Deck	0	Failed condition, out of service
Superstructure	0	Failed condition, out of service
Substructure	0	Failed condition, out of service


Structure	Steel stringer or multi-beam girder
Length	about 35 ft
Location	087440102
NBI structure number	000000000351870
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I29 NB Off Ramp over Perry Creek Conduit	2017	91,000	Good
US 77 over Missouri River & Rd	1981	34,600	Fair
I 29 Ia 12 over Drainage-all of Roadway	1957	32,900	Fair
US 77 over I 29 & Ia 12 NB	2012	26,900	Good
I 29 SB over Pierce St Frontage Rd	2018	21,100	Fair
Ia 12 over BNSF Rvr Sts & Ia 376	1936	20,600	Poor