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Stc 6743 (E 200 N) over Market Lake Canal

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

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

Stc 6743 (E 200 N) over Market Lake Canal in Jefferson 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 7 (good condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 810 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 24 of the 125 inventoried bridges in Jefferson County rated good (19.2%); 4 (3.2%) 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

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

Bridge	Built	Vehicles/day	Condition
US 20 over Garfield Ucon Canal	1972	34,500	Fair
US 20 over Burgess Canal	1975	28,500	Fair
US 20 Eb-wb over SH 48;RIGBY Gs	1976	28,500	Fair
US 20 Ebl & Wbl over Parks Lewisville Canal	1975	19,500	Fair
US 20 Ebl over Snake River;lorenzo Br.	1980	15,250	Fair
US 20 Wbl over Snake River;lorenzo Br.	1974	15,250	Fair