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SH 78 over Snake R.;indian Cove Br.

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

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

SH 78 over Snake R.;indian Cove Br. in Owyhee 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 1967, making it 58 years old at the 2025 inventory.
It carries about 1,600 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 29 of the 49 inventoried bridges in Owyhee County rated fair (59.2%); 4 (8.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 562 ft
Location	4.1 W. Hammett
NBI structure number	000000000015300
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 Snake River;homedale Br.	1969	11,000	Fair
SH 55 over Snake River (marsing Br)	2020	7,500	Fair
US 95 over B Line Canal	1982	3,600	Good
US 95 over Jump Creek	1982	3,200	Good
SH 19 over Succor Creek	2017	2,500	Good
SH 45 over Snake R.(walters Ferry)	1972	1,900	Fair