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STC3906;WARREN Wgn over Dead Horse Creek

Valley County, Idaho · rated Good in the 2025 National Bridge Inventory

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

STC3906;WARREN Wgn over Dead Horse Creek in Valley County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2013, making it 12 years old at the 2025 inventory.
It carries about 550 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 72 of the 153 inventoried bridges in Valley County rated good (47.1%); 10 (6.5%) 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 multiple box beam
Length	about 40 ft
Location	4.9 N Mccall
NBI structure number	000000000020096
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
SH 55 over N. Fk. Payette River	2013	7,800	Fair
SH 55 over N.fk.payette R;lardo	2014	7,400	Fair
SH 55 over Lake Fork Creek	1985	6,500	Fair
SH 55 over Boulder Creek	1999	6,000	Fair
SH 55 over Lake Fork Creek Canal	1998	6,000	Fair
SH 55 over N. Fk. Payette River	2015	5,700	Good