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High Top Lane over Salem Canal

Fremont County, Idaho · rated Good in the 2025 National Bridge Inventory

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

High Top Lane over Salem Canal in Fremont County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2017, making it 8 years old at the 2025 inventory.
It carries about 130 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 45 of the 138 inventoried bridges in Fremont County rated good (32.6%); 8 (5.8%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 43 ft
Location	2.0 N. 1.2 W. Sugar City
NBI structure number	000000000032023
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 20 Ebl & Wbl over Salem Union Canal	1984	12,500	Fair
US 20 over 2290 E	1984	12,500	Fair
US 20B over Henrys Fk. Snake River	1965	11,500	Fair
US 20B over Egin Canal	1975	11,500	Good
US 20 Wbl & Ebl over S.fk.fall River Canal	1973	10,500	Fair
US 20 Ebl & Wbl over Salem Union Canal	1979	9,100	Fair