Polk County-- Between Monmouth and Dallas .7 Between Salem and Dallas .8 Sherman County-- Columbia River Highway 14.0 Tillamook County-- Tillamook to Cloverdale 15.0 Neskowin to Salmon River 8.0 Umatilla County-- Pendleton to Umatilla 40.6 Pendleton to Pilot Rock 13.9 Pilot Rock to Morrow County Line 18.3 Pendleton to Kamela 26.8 Union County-- Elgin to Minam 9.4 Union to Telocaset 7.2 La Grande to Elgin 29.1 La Grande to Union 9.4 La Grande to Kamela 22.4 Wasco County-- Seuffert to Deschutes River 12.5 Washington County-- Multnomah County Line to Newberg 15.7 Beaverton to Hillsboro 7.6 Forest Grove to Gaston 6.7 Wheeler County-- Sarvice Creek to Grant County Line 25.5 Ochoco Forest to Grant County Line 50.5 Fossil to Gilliam County Line 4.5 Fossil to mouth of Sarvice Creek 21.0 Yamhill County-- McMinnville to Dayton 6.7 Grande Ronde Section 6.8 ----- Total miles of surveys 902.1 TABLE D MILES OF DIFFERENT TYPES OF ROAD IN EACH COUNTY (These mileages are only roughly approximate as accurate data is obtainable in very few counties)