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Fs Route No. 314 over Boulder Creek

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

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

Fs Route No. 314 over Boulder Creek in Boundary County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1957, making it 68 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 47 of the 84 inventoried bridges in Boundary County rated fair (56.0%); 11 (13.1%) 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	Timber stringer or multi-beam girder
Length	about 46 ft
Location	Boulder Creek
NBI structure number	010407000001067
Condition class	Fair

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