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Burmah Road over Big Wood River

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

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

Burmah Road over Big Wood River in Lincoln 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 1978, making it 47 years old at the 2025 inventory.
It carries about 230 vehicles a day (traffic count year 2023).
It is one of 23 of the 53 inventoried bridges in Lincoln County rated fair (43.4%); 14 (26.4%) 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 tee beam
Length	about 64 ft
Location	4.2 N. 8.1 W. Richfield
NBI structure number	000000000025060
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SH 75 over Little Wood River	1958	7,700	Good
SH 75 over Milner Gooding Canal	2013	5,000	Good
SH 75 over Big Wood River	2013	5,000	Fair
SH 75 over Big Wood River	1955	4,500	Fair
SH 75 over North Gooding Canal	2013	4,400	Good
US 93 over Little Wood River	1987	2,300	Fair