Business Loop I-90 - Moses Lake

Business Loop I-90/SR 171 north at Broadway in Moses Lake, WA — Reassurance sign for Business Loop I-90/SR 171 north posted at Broadway and Driggs Drive in Moses Lake, Washington. Stand alone shields replaced this assembly by 2012. Photo by Mark Bozanich (05/99).

Business Loop I-90/SR 171 separation in Moses Lake, WA — Business Loop I-90 overlaps with SR 171 north from I-90 to the Moses Lake city center. SR 171 and Broadway Avenue branch north from the loop to SR 17 north for interests to Ephrata and Soap Lake. Business Loop I-90 transitions onto Pioneer Way back to the south. Photo by Jeff Royston (07/15/13).

Business Loop I-90 in Moses Lakes travels a horseshoe shaped route for 6.2 miles between Exits 176 and 179. The route lines portions of old U.S. 10 via Broadway Avenue and Pioneer Way to the Moses Lake city center. Washington 171 overlaps with Business Loop I-90 along Broadway Avenue on the western half of the route while Washington 17 accompanies the route southeast from Road K to Interstate 90.

Updated August 1, 2026