| SR 80 EB & WB over Scrubgrass Creek Trib. | 1965 | 22,605 | Fair |
| SR 80 Eb/wb over over Lt Scrubgrass Ck | 1966 | 22,181 | Fair |
| SR 80 Eb/wb over over S F Lt Scrubgrass C | 1966 | 22,181 | Fair |
| State Street over Allegh.river Wny&pa RR | 1990 | 13,560 | Fair |
| SR 80 WB over SR 38 | 1965 | 11,995 | Fair |
| SR 62 Washington X over over Wnyp RR & French Ck | 1951 | 11,341 | Fair |
| SR 80 WB over T-388 Coal Valley | 1966 | 11,159 | Fair |
| SR 80 EB over T-388 Coal Valley Rd | 1966 | 11,022 | Fair |
| SR 80 EB over SR 38 | 1965 | 10,933 | Fair |
| SR 322 13TH Street over over French Creek | 1969 | 9,830 | Fair |
| SR 322 8TH Street over over Allegheny River | 1986 | 9,567 | Fair |
| SR 257 Salina Road over over Lower Two Mile Run | 2004 | 8,543 | Fair |
| SR 62 Frnkn-oil Ct over over Upper Two Mile Run | 1956 | 7,968 | Poor |
| SR 322 28TH Div.hy over over Lower Two Mile Run | 1981 | 7,832 | Fair |
| SR 8 Pittsburgh Rd over over SR 80 Eb/wb | 1965 | 7,022 | Fair |
| Lake/Sea SR 322 over over Halls Run | 2011 | 6,047 | Good |
| SR 1017 Center St. over over Oil Creek | 1939 | 5,768 | Fair |
| SR 62 over over Conrail/alleghenyr | 1995 | 5,616 | Fair |
| SR 8 New Route 8 over over SR 6008 | 1990 | 5,606 | Good |
| SR 322 Van Bridge over East Sandy Creek | 1981 | 5,595 | Good |
| SR 322 28TH Div.hy over over Patchell Run | 1941 | 4,619 | Fair |
| SR 8 Main Street over over Cherry Run | 1993 | 4,297 | Fair |
| SR 8 Mcclintock Br over Oil Creek | 2012 | 4,297 | Good |
| SR 0008 over Cherrytree Run | 2011 | 3,761 | Fair |
| SR 62 Riverside Dr over Sage Run | 2013 | 3,539 | Good |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 62 Riverside Dr over over Sage Run | 1942 | 3,539 | Fair |
| SR 322 28th Div Hw over over Sugar Creek | 1966 | 3,510 | Good |
| SR 6008 over over Oil Creek | 1937 | 3,381 | Fair |
| SR 322 28TH Div.hy over over Warren Run | 1966 | 3,304 | Fair |
| SR 8 R C Frame Hwy over over T-370 Sandy Creek | 1975 | 3,106 | Good |
| SR 8 R C Frame Hwy over over T-371 | 1975 | 3,106 | Good |
| SR8 SB R Frame Hwy over over Pa 308 | 1975 | 3,106 | Fair |
| SR 8 R C Frame Hwy over over T-370 Sandy Creek | 1975 | 3,032 | Good |
| SR 8 R.c.frame Hwy over over T-371 | 1975 | 3,032 | Good |
| SR8 NB R Frame Hwy over over Pa 308 | 1975 | 3,032 | Fair |
| SR 38 over Sugar Valley Run | 2013 | 2,551 | Good |
| SR 8 Rynd Farm over over Oil Creek | 1998 | 2,527 | Good |
| SR 62 Main Street. over over Little Sandy Creek | 2022 | 2,286 | Good |
| SR 308 over over SR 80 Eb/wb | 1965 | 2,158 | Fair |
| SR 8 over over Cherrytree Run | 1992 | 2,043 | Good |
| Rckland Crnbery Rd over East Sandy Creek | 2018 | 1,964 | Good |
| SR 2013 Rockland over OVER Sandy Ck BIKE TRAIL | 1983 | 1,964 | Good |
| SR 4006 Mdvle.pike over Patchell Run | 1959 | 1,923 | Fair |
| SR 227 Cherry Run over over Cherry Run | 1989 | 1,608 | Good |
| SR 227 Cherry Run over over Cherry Run | 1997 | 1,550 | Good |
| SR 36 Col.drake Hy over over Pithole Creek | 2004 | 1,381 | Good |
| SR 38 Emlenton St over over Allghny R.& River A | 1987 | 1,358 | Good |
| SR 38 Main Street over Richey Run | 1928 | 1,358 | Fair |
| SR 227 over Cherry Run | 2010 | 1,347 | Good |
| SR 38 over over Pine Run | 1926 | 1,310 | Poor |
| SR 965 over Sandy Creek | 2010 | 1,158 | Good |
| SR 208 Mercer St. over Sf Little Scrubgrass Ck. | 2024 | 1,137 | Good |
| SR 208 over over SR 80 Eb/wb | 1965 | 1,137 | Poor |
| SR 3024 Savanah Rd over over Little Sandy Creek | 1955 | 1,100 | Poor |
| SR 3008 Kennerdell over over Allegheny River | 2000 | 1,056 | Good |
| SR 3008 Knnrdll Rd over over Bullion Run | 1900 | 1,056 | Fair |
| SR 3008 Knnrdll Rd over over Roberts Run | 1993 | 1,056 | Good |
| SR 427 over over Sugar Creek | 1933 | 1,052 | Fair |
| Pa 427 Main Str. over Sugar Creek | 2009 | 1,041 | Good |
| SR 208 Emlenton Rd over over Little Scrubgrass | 1960 | 1,021 | Poor |
| SR 227 Cherry Run over over Cherry Run | 1997 | 986 | Fair |
| SR 227 Cherry Run over over Cherry Run | 1997 | 978 | Good |
| SR 62 Oil City Rd. over over Hemlock Creek | 1997 | 969 | Good |
| SR 62 Oil City Rd. over over Horse Creek | 1988 | 969 | Fair |
| SR 308 Franklin Rd over over Scrubgrass Creek | 1968 | 968 | Fair |
| SR 427 Sleepy Hllw over over Beatty Run | 1988 | 958 | Good |
| SR 427 over over Sugar Creek | 1974 | 958 | Fair |
| SR 4010 Sugar CR over over Sugar Creek | 1920 | 895 | Fair |
| SR 3003 Georgetown over over SR 80 EB | 1965 | 694 | Good |
| SR 3003 Georgetown over over SR 80 WB | 1965 | 694 | Good |
| SR 428 Dempseytown over Sugar Creek | 2010 | 623 | Good |
| SR 428 Dempseytown over over Prather Run | 2010 | 623 | Good |
| SR 428 Dempseytown over over Sugar Creek | 1938 | 623 | Good |
| SR 4003 Patchel Rd over over Wolf Run | 1954 | 596 | Good |
| SR 4003 Patchel Rd over over Patchel Run | 1931 | 515 | Fair |
| SR 3025 Deep Hollw over Lower Two Mile Run | 1957 | 509 | Good |
| SR 3025 Deep Hollw over over Lower Two Mile Run | 1957 | 509 | Fair |
| T-685 Sugar Ck.dr. over over Sugar Creek | 1980 | 500 | Fair |
| T-685 Sugar Ck.dr. over over Sugarcreek Trib. | 1924 | 500 | Poor |
| SR 3017 Utica Brg. over over French Creek | 2001 | 451 | Good |
| Utica Road over Warden Run | 2009 | 451 | Good |
| Bradleytown Rd over W. Branch of Sugar Creek | 2017 | 424 | Good |
| SR 427 over over Sugar Creek | 1995 | 424 | Good |
| SR 3013 Pecan Hill over T-380 Sandy Creek | 2007 | 417 | Good |
| SR 2004 over over Tarkiln Run | 1981 | 393 | Fair |
| SR 3005 over Scrubgrass Creek | 2009 | 388 | Good |
| SR 4018 Academy St over over Lake Creek | 1988 | 315 | Good |
| SR 4007 Sugar Lk R over over Lake Creek | 2010 | 302 | Good |
| SR 427 over over Sugar Creek | 1934 | 302 | Fair |
| T-460 Shaffer R.rd over over Shaffer Run | 2003 | 300 | Fair |
| SR 3007 O Lisbon over Scrubgrass Creek | 1995 | 280 | Good |
| SR 3007 Rockdale over over SR 80 Eb/wb | 1965 | 276 | Good |
| SR 3007 Scrubgrass over over Lt Scrubgrass Ck | 1996 | 276 | Good |
| Church Street over over Sandy Creek | 2000 | 250 | Fair |
| Rynd Hill Road over Wykle Run | 1992 | 250 | Fair |
| T-484 Aires Hill R over Lower Two Mile Run | 1908 | 250 | Poor |
| Cooperstown Rd. over over Trib. Kane Run | 1988 | 248 | Fair |
| SR 3017 Utica Road over over Mill Creek | 1967 | 248 | Fair |
| SR 4009 Sunville R over over Sugar Creek E.br. | 2004 | 244 | Fair |
| Cherrytree Road over Two Mile Run | 2015 | 200 | Good |
| SR 4022 Buxton Rd over over Porter Run | 1940 | 200 | Poor |
| Stone Sprnghouse over Prather Creek | 1993 | 200 | Fair |
| T-647 Acel Road over over Little Sugar Creek | 1910 | 200 | Poor |
| SR 4022 Buxton Rd over Little Sugar Creek | 1950 | 196 | Fair |
| SR 4022 Buxton Rd. over over Prather Creek | 1961 | 196 | Fair |
| SR 3017 Raymilton over Little Sandy Creek | 1995 | 191 | Good |
| SR 1011 Drake Well over Oil Creek | 1999 | 184 | Good |
| SR 3010 over over Lt Scrubgrass Ck Br | 1942 | 174 | Fair |
| McCLELLAND AVENUE over over Little Sandy Creek | 1960 | 170 | Fair |
| SR 3009 Stone Chrc over over SR 80 Eb/wb | 1966 | 162 | Fair |
| SR 3018 Twin Oaks over over SR 8 NB Rc Frame | 1975 | 161 | Fair |
| SR 3018 Twin Oaks over over SR 8 SB Rc Frame | 1975 | 161 | Fair |
| T-595 Creek Road over over Middle Br.sugar Ck. | 1982 | 150 | Fair |
| Buttermilk Hill Rd over McCune Run | 2013 | 144 | Good |
| SR 3017 over over Little Sandy Creek | 1915 | 143 | Fair |
| SR 3023 Waterloo over over Mill Creek | 2024 | 140 | Good |
| SR 3015 over Sandy Creek | 2009 | 131 | Good |
| SR 4016 Baker Hill over Beatty Run | 1950 | 131 | Poor |
| SR 4016 Beatty Rd. over over Beatty Run | 1992 | 131 | Fair |
| Old Warren Pike over West Pithole Creek | 1965 | 130 | Poor |
| Barker Road over Prather Creek | 2008 | 120 | Good |
| Sleepy Hollow Dr. over Branch of Sugar Creek | 1945 | 120 | Fair |
| T-557 Independent over Beatty Run | 1960 | 120 | Fair |
| T-649 Fairview Rd over Branch Prather Creek | 2007 | 120 | Good |
| SR 3101 Porter Rd over over SR 80 Eb/wb | 1965 | 112 | Good |
| Creek Road over East Branch Sugar Creek | 1905 | 100 | Fair |
| Dotterer Road over Trib. to Allegheny River | 1959 | 100 | Poor |
| Factory Street over Lake Creek | 2013 | 100 | Good |
| Gifford Road over Prather Creek | 1935 | 100 | Poor |
| Grant Street over Mill Creek | 1900 | 100 | Fair |
| Halls Run Road over over Halls Run | 1953 | 100 | Poor |
| Jackson Plum Road over Lake Creek | 1993 | 100 | Fair |
| Martin Road over Over Two Mile Run | 2011 | 100 | Good |
| Miller Farm Road over over Oil Creek | 1888 | 100 | Fair |
| Pump Station Rd over Little Sugar Creek | 1992 | 100 | Good |
| Stewart Run Road over Stewart Run | 1920 | 100 | Fair |
| T-330 Slatertown R over over South Sandy Creek | 1978 | 100 | Fair |
| T-346 Rainbow Road over Little Sandy Creek | 2013 | 100 | Good |
| T-357 Porterfield over over Mill Creek | 1901 | 100 | Fair |
| T-364 E.wayne Road over over Lake Creek | 1900 | 100 | Fair |
| T-381 Myers Mill R over over Pine Run | 1990 | 100 | Fair |
| T-391 Van Road over over Tarklin Creek | 1992 | 100 | Fair |
| T-400 Williams Rd. over Little Scrubgrass Creek | 1959 | 100 | Fair |
| T-512 Mays Mill Rd over over Allegh.valley Trail | 1996 | 100 | Fair |
| T-512 Slab Furnace over over East Sandy Creek | 1992 | 100 | Fair |
| T-522 Dotterer Rd over over Mill Creek | 2021 | 100 | Good |
| T-572 Bankson Rd over Cherry Run | 2011 | 100 | Good |
| T-589 Harper Road over over Cherrytree Run | 1900 | 100 | Poor |
| T-593 Boals Road over East Br. Sugar Creek | 1939 | 100 | Fair |
| T-639 Coe Road over West Pithole Creek | 1938 | 100 | Fair |
| Waitz Road over Cherrytree Run | 2012 | 100 | Fair |
| Whippoorwill Road over Little Sandy Creek | 2007 | 100 | Good |
| Williams Road over Middle Br. Sugar Creek | 1880 | 100 | Poor |
| Wright Road over Middle Br. Sugar Creek | 1993 | 100 | Fair |
| SR 1004 Eagle Rock over over Cherry Run | 1965 | 93 | Fair |
| SR 1004 Eagle Rock over over Pithole Creek | 1897 | 93 | Fair |
| SR 3102 Blair Road over over SR 8 N/S R.c.frame | 1975 | 90 | Fair |
| Pithole Road over over Pithole Creek | 2009 | 87 | Good |
| SR 1006 Pithole Rd over over Pithole Creek | 1905 | 87 | Fair |
| SR 1004 Ptrlm.cntr over over Oil Creek | 1884 | 77 | Poor |
| SR 2023 President over Porcupine Creek | 1958 | 67 | Poor |
| SR 3010 over over Lt Scrubgrass Creek | 1962 | 65 | Good |
| SR 1009 over Benninghoff Run | 2010 | 63 | Good |
| SR 3011 over over South Sandy Creek | 1930 | 59 | Fair |
| SR 4001 over Upper Two Mile Run | 2011 | 58 | Good |
| SR 4011 Gresham Rd over over Prather Creek | 1982 | 54 | Fair |
| Dean Road over Little Sandy Creek | 1895 | 50 | Poor |
| Gadsby Road over South Sandy Creek | 2012 | 50 | Good |
| Hale Road over East Sandy Creek | 1905 | 50 | Fair |
| Smalls Road over over Lake Creek | 1930 | 50 | Fair |
| T-300 Henderson St over over South Sandy Creek | 1930 | 50 | Poor |
| T-310 Old Beech Rd over E. Br. Wolf Creek | 1925 | 50 | Fair |
| T-316 Noggle Road over over Little Sandy Creek | 1999 | 50 | Fair |
| T-370 - Fishermans over Victory Run | 2024 | 50 | Good |
| T-380 Phipps Road over over Br. Scrubgrass Ck. | 1915 | 50 | Poor |
| T-426 Greenlee Rd over Trib. Little Sandy Creek | 1950 | 50 | Poor |
| T-552 Geiring Road over Mill Run | 2010 | 50 | Good |
| T-581 Starr Road over over Pine Run | 1990 | 50 | Poor |
| T-590 Whitling Rd over over Pine Run | 1991 | 50 | Poor |
| T-592 Center Road over Pine Run | 1990 | 50 | Poor |
| T-612 Lesher Road over Pithole Creek | 1897 | 50 | Fair |
| T377 Valley Church over Pine Run | 1920 | 50 | Poor |
| Old Rouseville Rd. over Cherry Run | 1915 | 25 | Poor |
| T-462 Smith Road over Little Scrubgrass Creek | 1900 | 25 | Fair |