Searching | Subjects Subjects Find: 2 results Prev 1 Next Sort: by Relevance by Date by Description View: Detail View Summary View Bridge construction Series 920, Road Commission Bridge structural condition files, 1938-1972. Structure design--Utah. Series 3328, Department of Transportation. Engineering & Operations. Project Development. Structures Current structure projects files, i 1980- Series 3329, Department of Transportation. Engineering & Operations. Project Development. Structures County and state bridge inspection records, i 1920- Series 6764, Department of Transportation. Engineering & Operations. Project Development. Construction Road construction project field books, 1912- Prev 1 Next Page Last Updated .