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I 15 Nbl over Co.rd.;stoddard Creek Ic

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

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

I 15 Nbl over Co.rd.;stoddard Creek Ic in Clark County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 1,750 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 25 of the 39 inventoried bridges in Clark County rated fair (64.1%); 5 (12.8%) 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	Concrete stringer or multi-beam girder
Length	about 106 ft
Location	4.0 N. Spencer
NBI structure number	000000000011965
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 15 over Frontage Road	1965	3,700	Fair
I 15 over Beaver Creek	1969	3,500	Fair
I 15 over Frontage Road Gs	1969	3,500	Fair
I 15 over Beaver Creek	1963	3,400	Fair
I 15 Nbl & Sbl over Beaver Creek;s.dubois Br	1965	3,400	Fair
I 15 Nbl over Spencer Road Ic	1969	1,850	Fair