[3] Designed and construction supervised by Highway Department.

Where loading is referred to as "Heavy," the structure is designed for a twenty-ton roller and for 100 lbs. per sq. ft. Where loading is referred to as "Medium," the structure is designed for a fifteen-ton roller and for 75 lbs. per sq. ft.


SUMMARY OF BRIDGE AND CULVERT DESIGN AND CONSTRUCTION

Designed and Construction Supervised by Highway Department$ 527,788.09
Designed by Highway Department and Construction supervised by Counties89,600.00
Designed by Highway Department but not yet constructed171,400.00
Total $ 788,788.09

TABLE C
MILES OF LOCATION SURVEYS
MADE BY HIGHWAY DEPARTMENT 1917-1918

JobsMiles
Baker County—
Baker to Middle Bridge17.0
Canyon Section of Baker-Cornucopia Road4.5
Sag Section of Baker-Cornucopia Road4.9
Middle Bridge to Black Bridge13.0
Clackamas County—
Canby to Oregon City7.5
Oregon City to Multnomah County Line6.5
Aurora to Canby5.0
Columbia County—
Columbia City to Scappoose11.2
Coos County—
Myrtle Point to Douglas County Line24.4
Marshfield to Curry County Line39.2
Coquille to Myrtle Point9.0
Curry County—
Coast Highway20.0
Douglas County—
Johns Ranch to Jacques Ranch7.2
Canyon Creek Pass to Johns Place2.3
Coos County Line to Roseburg28.7
Gilliam County—
Columbia River Highway34.0
Grant County—
Big Basin Section of John Day River Highway23.5
John Day to Fisk Creek7.4
Fisk Creek to Hall Hill3.5
Hall Hill to Prairie City2.2
Harney County—
Burns to Crane6.0
Hood River County—
Hood River to Mosier7.0
Jackson County—
Ashland to Klamath Falls15.6
Josephine County—
Wolf Creek to Grave Creek4.0
Grants Pass to Grave Creek17.2
Wolf Creek to Stage Road Pass2.4
Klamath County—
Klamath Falls-Chiloquin3.3
Lane County—
Goshen to Cottage Grove18.2
Eugene to Florence37.5
Divide to Overhead1.3
Linn County—
Albany to Jefferson7.8
Marion County—
Salem to Aurora22.2
Salem to Jefferson15.5
Morrow County—
Columbia River Highway28.6
Heppner to Willows43.0
Heppner to Umatilla County Line28.4
Polk County—
Between Monmouth and Dallas.7
Between Salem and Dallas.8
Sherman County—
Columbia River Highway14.0
Tillamook County—
Tillamook to Cloverdale15.0
Neskowin to Salmon River8.0
Umatilla County—
Pendleton to Umatilla40.6
Pendleton to Pilot Rock13.9
Pilot Rock to Morrow County Line18.3
Pendleton to Kamela26.8
Union County—
Elgin to Minam9.4
Union to Telocaset7.2
La Grande to Elgin29.1
La Grande to Union9.4
La Grande to Kamela22.4
Wasco County—
Seuffert to Deschutes River12.5
Washington County—
Multnomah County Line to Newberg15.7
Beaverton to Hillsboro7.6
Forest Grove to Gaston6.7
Wheeler County—
Sarvice Creek to Grant County Line25.5
Ochoco Forest to Grant County Line50.5
Fossil to Gilliam County Line4.5
Fossil to mouth of Sarvice Creek21.0
Yamhill County—
McMinnville to Dayton6.7
Grande Ronde Section6.8
Total miles of surveys902.1

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)