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SH 39 over Low Line Canal

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

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

SH 39 over Low Line Canal in Bingham County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1977, making it 48 years old at the 2025 inventory.
It carries about 2,300 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 210 of the 263 inventoried bridges in Bingham County rated fair (79.8%); 9 (3.4%) 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 stringer or multi-beam girder
Length	about 53 ft
Location	12.6 N. Aberdeen
NBI structure number	000000000014195
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 Nbl & Sbl over Ross Fork Creek	2023	29,000	Good
I 15 over Riverside Canal	2019	26,000	Good
US 26 Ebl & Wbl over Snake River;w.blackfoot	1965	18,000	Fair
I 15 Nbl over Aberdeen Springfield Cnl	1962	14,250	Fair
I 15 Sbl over Aberdeen Springfield Cnl	1962	14,250	Fair
I 15 Nbl over Peoples Canal	1962	14,250	Fair