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Fs Route No. 1009 over Grass Creek

Boundary County, Idaho · rated Poor in the 2025 National Bridge Inventory

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

Fs Route No. 1009 over Grass Creek in Boundary County, Idaho, 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 1972, making it 53 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 11 of the 84 inventoried bridges in Boundary County rated poor (13.1%); 11 (13.1%) 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	Timber stringer or multi-beam girder
Length	about 40 ft
Location	Grass CR
NBI structure number	010407000000083
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 95 over Bnrr;arizona St.	1972	13,000	Fair
US 95 over Kootenai R;uprr;bnnrs Fy	1984	13,000	Fair
US 95 over Deep Cr;bnrr;uprr;naples	1965	7,300	Fair
US 95 over Deep Creek	2024	6,600	Good
US 95 over Trail Creek	1965	6,300	Fair
US 2 over Uprr;moyie Springs Op	1965	2,600	Fair