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[edit] Selected bridge dates
- 1960 over I-79
- 1960 under SR 1014
- 1957 over SR 1049
- 1957 over PA 519
- 1956 over SR 2017
- 1956 under SR 1091
- 1956 under SR 1093
- 1949 under PA 917
- 1949 over SR 2040
- 1949 over SR 2023
- 1947 over PA 481
- 1947 under SR 2035
- 1958 under SR 2037
- 1952 over South Branch Maple Creek
- 1958 under SR 2027
- 1951 over Monongahela River
- 1958 under Ferncliff Drive
- 1958 under SR 3007
- 2000 over SR 3003
- 1949 over Speers Run
- 1954 under PA 201
- 1954 over railroad
- 1958 under SR 3011
- 1958 under SR 3017
- 1954 under PA 51
- 1956 over Youghiogheny River
- 1956 over SR 3031
- 1956 under SR 3040
- 1956 over PA 31
- 1957 over SR 3010
- 1957 over Sewickley Creek
- 1957 over SR 3037
- 1957 over Sewickley Creek branch
- 1957 over SR 3014
- 1957 over SR 3089
- 1957 under SR 3093
- ? under Turnpike ramp
- 1977 under PA 66
- 1969 under Turnpike
- 1963 over Turnpike ramp
- 1963 over SR 2035
- 1963 over PA 915
- 1962 over Lodge Road
- 1962 under PA 643
- 1961 under SR 3101
- 1962 over Fairview Road
- 1955/1960 over Indian Grave Run
- 1959 under PA 731
- 1959 under SR 3006
- 1959 under SR 3006
- 1959 over SR 3009
- 1960 under US 522
- 1960 under PA 484
- 1965 under PA 3001