| SR 80 Eb/wb & Ramp over Hogback Run | 1966 | 26,925 | Good |
| SR 79 Nb/sb over over Pine Run | 1963 | 21,958 | Fair |
| SR 80 EB over over Abandon RR &shngo R | 1966 | 13,718 | Fair |
| SR 80 EB over over SR 18 New Castle Rd | 1993 | 13,718 | Good |
| SR 80 EB over over SR 718 Sieg Hill Rd | 1964 | 13,718 | Fair |
| SR 60 Nb/sb Beaver over over Hogback Run | 1966 | 13,476 | Fair |
| SR 80 WB over over Abandon RR &shngo R | 1966 | 13,426 | Fair |
| SR 80 WB over over SR 18 New Castle Rd | 1994 | 13,426 | Good |
| SR 80 WB over over SR 718 Sieg Hill Rd | 1964 | 13,426 | Fair |
| SR 80 WB over over Abndn.rr/neshnk.ck | 1999 | 13,129 | Fair |
| SR 80 WB over over SR 19 Nb/sb Perry | 1965 | 13,129 | Fair |
| SR 80 WB over over SR 258 Butler Pike | 1966 | 13,129 | Fair |
| SR 80 EB over over Abndn.rr/neshnk.ck | 1998 | 12,992 | Good |
| SR 80 EB over over SR 19 Nb/sb Perry | 1965 | 12,992 | Fair |
| SR 80 EB over over SR 258 Butler Pike | 1965 | 12,992 | Fair |
| SR 80 WB over W Br Ltl Neshannock Crk. | 1965 | 12,856 | Fair |
| SR 80 WB over over Harthegig Run | 1965 | 12,856 | Fair |
| SR 80 WB over over Lit.neshannock Ck | 1966 | 12,856 | Fair |
| SR 80 WB over over SR 3007 Mrcr-plski | 1965 | 12,856 | Fair |
| SR 80 WB over over SR 318 W Mddsx-mer | 1966 | 12,856 | Fair |
| SR 80 WB over over T300 Greenfield Rd | 1965 | 12,856 | Fair |
| SR 80 WB over over SR 173 Grove City | 1965 | 12,803 | Good |
| SR 80 WB over over T998 Centertown Rd. | 1965 | 12,803 | Fair |
| SR 80 WB over over Wolf Creek | 1965 | 12,803 | Fair |
| SR 80 EB over over T998 Centertown Rd. | 1965 | 12,625 | Good |
| SR 80 EB over over Wolf Creek | 1965 | 12,625 | Fair |
| SR 80 EB over over Black Run | 1965 | 12,491 | Fair |
| SR 80 EB over over SR 173 Grove City | 1965 | 12,491 | Fair |
| SR 80 EB over over SR 2007 T-439 & RR | 1998 | 12,491 | Good |
| SR 80 EB over W Br Ltl Neshannock Crk | 1965 | 12,282 | Fair |
| SR 80 EB over over Harthegig Run | 1965 | 12,282 | Fair |
| SR 80 EB over over Lit.neshannock Ck | 1965 | 12,282 | Fair |
| SR 80 EB over over SR 3007 Mrcr-plski | 1965 | 12,282 | Fair |
| SR 80 EB over over SR 318 W Mddsx-mer | 1966 | 12,282 | Fair |
| SR 80 EB over over T300 Greenfield Rd | 1965 | 12,282 | Fair |
| SR 80 WB over over Black Run | 1965 | 11,828 | Fair |
| SR 80 WB over over SR 2007 T-439 & RR | 1999 | 11,828 | Good |
| SR 208 Grove City over over I-79 Nb/sb | 2007 | 11,221 | Good |
| SR 58 Main Street over over Wolf Creek | 1967 | 10,535 | Poor |
| SR 62 Connelly Blv over over Pine Run | 1955 | 10,523 | Fair |
| SR 62 Connelly Blv over over Pine Run | 1955 | 10,523 | Fair |
| SR 62 Connelly Blv over over Pine Run | 1955 | 10,523 | Fair |
| SR 62 Connelly Blv over over Pine Run | 1955 | 10,523 | Fair |
| SR 18 Sharon Road over over Shenango River | 1966 | 10,243 | Good |
| SR 18 Main Street over over Shenango River | 1997 | 10,072 | Good |
| SR 79 NB over over Lt Shenango R & RR | 1969 | 9,835 | Fair |
| SR 79 NB over over SR 1008 District Rd | 1969 | 9,835 | Fair |
| SR 79 NB over over SR 2017 N.foster Rd | 1965 | 9,835 | Fair |
| SR 62 Expressway over over NS Railroad | 2010 | 9,562 | Good |
| SR 62 Shen Vly Exp over over SR 718 S DOC & NSR | 2010 | 9,562 | Good |
| SR 62 Shngo.vly.ex over over Riverside Dr/river | 1956 | 9,562 | Fair |
| SR 3008 E.state St over over Shenango River Trib | 1996 | 9,270 | Good |
| SR 60 NB Beaver over over T-369 Hewitt Road | 1966 | 9,001 | Fair |
| SR 79 SB over over Lt Shenango R & RR | 1969 | 8,934 | Fair |
| SR 79 SB over over SR 1008 District Rd | 1969 | 8,934 | Fair |
| SR 79 SB over over SR 2017 N.foster Rd | 1965 | 8,934 | Fair |
| SR 79 NB over over Abdnd.rr&yellow Ck | 1966 | 8,860 | Fair |
| SR 79 NB over over SR 80 Eb/wb | 1965 | 8,860 | Fair |
| SR 79 NB over over SR2014 B&le Mill CR | 1966 | 8,860 | Fair |
| SR 60 SB Beaver over over T-369 Hewitt Road | 1966 | 8,603 | Fair |
| SR 79 SB over over Abdnd.rr&yellow Ck | 1966 | 8,539 | Fair |
| SR 79 SB over over SR 80 Eb/wb | 1965 | 8,539 | Fair |
| SR 79 SB over over SR2014 B&le Mill CR | 1966 | 8,539 | Fair |
| SR 19 Franklin St. over over Munnel Run | 2018 | 7,975 | Good |
| SR 3032 Connely Bl over over Pine Run | 1989 | 7,971 | Fair |
| SR 3032 Connely Bl over over Shenango River | 1968 | 7,971 | Fair |
| SR 518 Walnut St over Pine Hollow Run | 2006 | 7,823 | Good |
| Walnut Streer over Pine Run | 1966 | 7,712 | Fair |
| I 376 WB over SR 80 EB & WB | 1966 | 7,660 | Fair |
| SR 60 Broadway Ave over Bobby Run | 1950 | 7,590 | Good |
| SR 60 Nb/sb Beaver over over SR 18 S Hermitage | 1966 | 7,590 | Poor |
| SR 18 New Castle R over over Hog Back Run | 1941 | 7,414 | Poor |
| SR 60 Dock St over over Old Canal Creek | 1923 | 7,198 | Poor |
| SR 18 Sharon Road over over Big Run | 1969 | 6,978 | Fair |
| SR 18 over over NS R R/siding | 1971 | 6,978 | Fair |
| I-376 SB Beaver over over SR 18 N/sb New Cast | 1974 | 6,964 | Fair |
| SR 62 E.state St. over over Shenango River Trib | 1948 | 6,906 | Fair |
| I-376 NB Beaver over over SR 18 N/sb New Cast | 1974 | 6,817 | Fair |
| SR 79 NB over over Lake Wilhelm | 1969 | 6,476 | Fair |
| SR 79 NB over over SR 1009 | 1969 | 6,476 | Fair |
| SR 79 SB over over Lake Wilhelm | 1969 | 6,474 | Fair |
| SR 79 SB over over SR 1009 | 1969 | 6,474 | Fair |
| SR 62 Shenango Exp over Pine Hollow Creek Br | 1955 | 5,898 | Fair |
| SR 3018 Walnut St over over NS RR / Shenango R. | 1986 | 5,858 | Fair |
| SR 376 EB over SR 80 EB & WB | 1966 | 5,816 | Fair |
| SR 18 College Ave. over over Little Shenango R | 1986 | 5,803 | Good |
| Silver Street over Shenango River | 1983 | 5,513 | Poor |
| SR 58 Grove City over over SR 79 NB / SB | 1963 | 5,388 | Fair |
| SR 58 Grove City over over SR 80 Eb/wb Zh Con | 1965 | 5,388 | Fair |
| SR 358 Hadley Road over over Sankeys Run | 1953 | 5,162 | Fair |
| SR 518 Longview Rd over over Bobby Run | 1997 | 5,138 | Good |
| SR 3035 Dutch Lane over over Pine Hollow Run | 1973 | 4,924 | Fair |
| SR 58 Wilson Ave. over over Neshannock Creek | 1986 | 4,767 | Good |
| SR 318 W.mdlsx-mrc over Shenango River | 2018 | 4,723 | Good |
| SR 58 Mercer Road over Moury Run | 2013 | 4,707 | Good |
| SR 62 S.main St. over over Sandy Creek Trib | 1932 | 4,636 | Fair |
| SR 718 State St over Shenango River | 2007 | 4,628 | Good |
| SR 58 College Ave. over over Mathay Run | 1939 | 4,239 | Fair |
| SR 58 Kinsman Road over Faherty Run | 1924 | 4,228 | Fair |
| SR 208 over over Johnston Run | 1935 | 4,143 | Fair |
| SR 173 Liberty St over Swamp Run | 2014 | 4,083 | Good |
| SR 62 Franklin Rd. over over SR 79 Nb/sb | 1965 | 3,913 | Fair |
| SR 62 Franklin Rd. over over Otter Creek | 1997 | 3,889 | Good |
| SR 62 Franklin Rd. over over Spring Creek | 1948 | 3,889 | Poor |
| SR 58 E Main Ext over over Swamp Run Branch | 1955 | 3,762 | Fair |
| SR 58 Harrisville over over Swamp Run | 1955 | 3,762 | Fair |
| SR 62 Franklin Rd. over over Yellow Creek | 1948 | 3,760 | Fair |
| SR 58 S.diamond St over over Munnell Run | 1959 | 3,660 | Good |
| SR 173 Grove City over Black Run | 1923 | 3,657 | Poor |
| SR 173 Grove City over over Wolf Creek Trib | 1930 | 3,657 | Poor |
| SR 3030 Budd St over over Shenango River | 1965 | 3,501 | Fair |
| SR 3015 Ohio St over Shenango River | 1990 | 3,492 | Fair |
| Lincoln Ave over Wolf Creek | 1981 | 3,473 | Poor |
| Hamburg Road over Mathay Run | 1963 | 3,449 | Fair |
| SR 58 Mercer Road over over Lawango Run | 1960 | 3,409 | Fair |
| SR 318 Hubb-w Mid over Shenango River Trib | 2014 | 3,392 | Good |
| SR 358 Hadley Rd. over Shenango River Tr | 1935 | 3,344 | Fair |
| SR 358 Hadley Road over over Little Shenango Tr | 1934 | 3,344 | Fair |
| SR 358 Hadley Road over over Shenango River Br | 1953 | 3,344 | Fair |
| SR 358 Hadley Road over over Shenango River Br | 1953 | 3,344 | Fair |
| SR 208 North St. over over Wolf Creek | 2004 | 3,248 | Good |
| SR 18 New Castle R over over Powell Run | 1990 | 3,179 | Good |
| SR 2025 N.liberty over Lake Barmore Outlet | 2007 | 3,167 | Good |
| SR 4012 Reynolds R over over Shenango River | 1960 | 3,153 | Good |
| Hamburg Road over Shenango River Br | 2003 | 3,134 | Good |
| Oakland Avenue over US 62 | 2006 | 3,127 | Good |
| SR 173 Main Street over over Sandy Creek | 1933 | 3,079 | Fair |
| Ohl Street over Shenango River | 1909 | 3,024 | Poor |
| SR 19 Perry Hwy. over over Johnston Run | 1928 | 2,788 | Poor |
| SR 19 over Neshannock Creek | 2013 | 2,788 | Good |
| Sandy Lake Rd over Mill Creek | 2017 | 2,735 | Good |
| Butler Pike over Pine Run | 2009 | 2,720 | Good |
| SR 258 Butler Pike over over Neshannock Creek | 1998 | 2,720 | Good |
| SR 358 Hadley Rdad over over Little Shenango Tr | 1984 | 2,713 | Fair |
| SR 3012 Clark St over over Shenango River | 1981 | 2,661 | Fair |
| SR 0158 Mercer Rd over W Br Little Neshannock C | 2011 | 2,645 | Good |
| SR 158 Mercer Rd. over Little Neshannock Creek | 2010 | 2,645 | Good |
| SR 718 Water St. over Big Run | 2014 | 2,645 | Good |
| SR 62 Franklin Rd. over Fox Run | 2024 | 2,614 | Good |
| SR 62 Franklin Rd. over over Yellow Creek | 1966 | 2,614 | Fair |
| Butler Pike over Black Run | 2010 | 2,586 | Good |
| SR 258 Butler Pike over over Tinkers Run | 2010 | 2,586 | Good |
| SR 3018 Buckeye Dr over over Mccullough Run | 1999 | 2,567 | Good |
| SR 19 Perry Highw over Sandy Creek | 2011 | 2,559 | Good |
| SR 19 Perry Hwy. over Black Run | 2015 | 2,559 | Good |
| SR 718 Sieg Hill over over Shenango River | 1962 | 2,435 | Fair |
| SR 358 Hadley Road over over SR 79 Nb/sb | 1969 | 2,346 | Poor |
| SR 18 Conneaut Lk. over over Little Shenango R | 1984 | 2,275 | Fair |
| Ramp C. SR 80WB over over Hogback Run | 1966 | 2,252 | Fair |
| Williamson Road over over Lt.shenango River | 2006 | 2,248 | Good |
| SR 19 Perry Hwy. over over Otter Creek | 1995 | 2,222 | Good |
| SR 19 Perry Hwy. over over Otter Creek Trib | 1930 | 2,222 | Fair |
| SR 358 Vernon Road over Big Run | 1931 | 2,136 | Fair |
| East Pine Street over Wolf Creek | 1915 | 2,090 | Fair |
| SR 19 Perry Hwy. over over Shenango River Trib | 1942 | 2,013 | Poor |
| S. Orangeville Rd over Pymatuning | 1965 | 1,987 | Poor |
| SR 846 Orngvlle Rd over Chestnut Run | 1938 | 1,985 | Fair |
| SR 846 Saranac Rd. over over Shenango Reservoir | 1964 | 1,985 | Poor |
| SR 846 River Road over over Mccullough Run | 1997 | 1,958 | Good |
| SR2005IRISHTOWN Rd over over B.&l.e. R.R. | 2015 | 1,935 | Good |
| SR 322 Liberty St. over over Shenango River | 1984 | 1,902 | Good |
| SR 173 Grove City over Trib to Wolf Creek | 2013 | 1,873 | Good |
| SR 358 Hadley Road over over Little Shenango Tr | 1929 | 1,870 | Fair |
| SR 318 Main St over over I-376 Nb/sb Beaver | 2024 | 1,813 | Good |
| SR 2025 N Liberty over over Black Run | 1952 | 1,790 | Fair |
| N. Race Street over Little Shenango | 2016 | 1,756 | Good |
| SR 173 Grove City over over Butchery Run | 1930 | 1,686 | Fair |
| SR 173 Grove City over Wolf Creek Branch | 2010 | 1,681 | Good |
| Service Ave over Pine Run | 1951 | 1,637 | Poor |
| SR 62 Main St over over Sandy Creek Trib | 1937 | 1,592 | Fair |
| SR 62 Main St over over Sandy Creek Trib | 1923 | 1,592 | Fair |
| SR 62 Main Street over over Sandy Creek | 1991 | 1,592 | Good |
| SR 158 Mercer Road over SR 80 EB & WB | 1965 | 1,572 | Fair |
| SR 158 Mercer Road over over Neshannock Creek Tr | 1984 | 1,572 | Good |
| Airport Road over Wolf Creek | 1985 | 1,547 | Good |
| SR 4017 Warner Rd over over B.&l.e. Railroad | 1997 | 1,535 | Good |
| SR 4017 Werner Rd over Little Shenango River | 1963 | 1,535 | Fair |
| SR 1014 Georgetown over over SR 79 Nb/sb | 1967 | 1,530 | Fair |
| Sandy Lake Road over Deer Creek | 2009 | 1,473 | Good |
| Prindle Street over Pine Run | 1935 | 1,437 | Poor |
| Lynnwood Road over Bobby Run | 2003 | 1,423 | Good |
| MiddlesexMercer Rd over Little Neshannock Creek | 2017 | 1,409 | Good |
| SR 318 W.middlesex over over Lt Neshannock Creek | 1956 | 1,409 | Fair |
| SR 4006 Porter Rd over Little Shenango River | 2005 | 1,392 | Good |
| SR 58 Kinsman Road over over Sugar Creek | 2001 | 1,381 | Good |
| SR 258 Lake Road over over Shenango River Trib | 1965 | 1,374 | Fair |
| SR 718 Ivanhoe Rd over Mccullough Run | 2013 | 1,305 | Good |
| Kinsmen Road over Br. Sugar Creek | 2009 | 1,263 | Good |
| Chestnut Street over Wolf Creek | 2007 | 1,226 | Good |
| SR 2002 Leesbrg Rd over Hunter Run | 2014 | 1,101 | Good |
| SR 4014 Oniontown over over Shenango River | 1968 | 1,095 | Fair |
| SR 1009 L.wilhelm over over Lake Wilhelm | 1969 | 1,091 | Fair |
| SR 3011 Bethel Rd over SR 80 EB & WB | 1965 | 1,072 | Fair |
| SR 4019 Methodist over over Little Shenango R | 1933 | 1,054 | Poor |
| SR 965 Kilgore Rd. over over Sandy Creek | 1965 | 1,035 | Fair |
| SR 258 Lake Road over over Lacawannock Creek | 1997 | 1,015 | Good |
| SR 1001 Fredonia R over over Little Shenango R | 1955 | 1,003 | Good |
| SR 2014 Scrubgrass over Cool Spring | 1954 | 985 | Poor |
| SR 2014 Scrubgrass over over Mill Creek | 2005 | 985 | Good |
| SR 2014 Scrubgrass over over Otter Creek | 1941 | 985 | Fair |
| SR 2001 N.castle R over over Indian Run | 2020 | 983 | Good |
| Fullingmill Road over Lackawannock Creek | 1998 | 980 | Good |
| Canon Road over Little Shenango | 1997 | 978 | Good |
| Colt Road over Big Run | 1975 | 975 | Good |
| SR 2013 E Home St over Munnell Run | 1910 | 951 | Poor |
| SR 1002 Fairview R over over Otter Creek | 1966 | 936 | Fair |
| SR 1008 District R over Otter Creek | 1974 | 913 | Fair |
| SR 1008 District R over over Otter Creek | 1974 | 913 | Fair |
| SR 965 Jcksn.ctr.r over over Yellow Creek | 1996 | 900 | Good |
| Rombold Road over Bobby Run | 1958 | 867 | Fair |
| Shenango Park Road over Brush Run | 1967 | 858 | Good |
| SR 1014 Georgetown over over Mill Creek | 1960 | 851 | Good |
| Old Route 322 over Powdermill Run | 2012 | 850 | Good |
| SR 4020 Shkeyville over over Little Shenango R | 1966 | 830 | Fair |
| Longview Road over Hog Back Run | 1966 | 827 | Fair |
| E. Lake Road over Shenango River Br | 1965 | 765 | Good |
| SR 846 Orngvlle.rd over Big Run | 1989 | 741 | Good |
| SR 846 Orngvlle.rd over over Big Run Trib | 1910 | 741 | Poor |
| SR 3020. Lamor Rd over Tr to Magargee Run | 2011 | 723 | Good |
| SR 2002 Leesbrg Rd over over Neshannock Creek | 2023 | 722 | Good |
| SR 4004 Kinsman Rd over Big Run | 1965 | 722 | Fair |
| SR 3007 Plski-mrcr over over Lt Neshannock Ck | 1964 | 717 | Fair |
| SR 3007 Plski-mrcr over over W Branch Neshannock | 1962 | 717 | Fair |
| SR 3003 Shrn-bdfrd over over Turkey Run | 1966 | 715 | Fair |
| SR 1018 Mlldgvll.r over over Lake Wilhelm | 1969 | 688 | Fair |
| SR 2006 Blacktown over over SR 79 Nb/sb | 1963 | 663 | Poor |
| SR 258 Lake Road over Daley Run | 2011 | 660 | Good |
| SR 258 Lake Road over over Magargee Run | 1965 | 660 | Fair |
| SR 3013 Orchard Rd over Tr Little Neshannock Ck | 2010 | 612 | Fair |
| Daugherty Road over Black Run | 1983 | 592 | Poor |
| W. Lake Road over Chestnut Run | 1965 | 585 | Fair |
| Oakland Road over Otter Creek | 1965 | 568 | Fair |
| SR 4021 Atlantic over over Hollow Run | 2010 | 567 | Good |
| SR 4021 Atlantic over Bluff Run | 1952 | 567 | Poor |
| Tie line Road over Swamp Run | 1968 | 561 | Good |
| SR 4022 Leech Road over Sankeys Run | 1961 | 556 | Fair |
| Orangeville Rd over Big Run | 1964 | 554 | Poor |
| SR 2017 N.foster R over over Cool Spring Creek | 1952 | 552 | Poor |
| SR 3039 Valley Rd over over Lackawannock Creek | 2022 | 552 | Good |
| East Gilmore Road over Wolf Creek East Branch | 1959 | 538 | Poor |
| Fox Mine Road over unnamed trib of fox run | 2006 | 523 | Good |
| Amsterdam Road over Black Run | 1972 | 521 | Fair |
| Freeland Road over Little Shenango River | 1984 | 511 | Good |
| SR 3013 Orchard Rd over over SR 80 Eb/wb | 1965 | 506 | Fair |
| SR 4020 Shkeyville over over Morrison Run | 1966 | 505 | Fair |
| SR 3039 Flat Road over over Lt Neshannock CR Tr | 1892 | 503 | Fair |
| SR 1024 Co.line Rd over over SR 79 Nb/sb | 1967 | 500 | Good |
| E. Cornell Road over Otter Creek | 1985 | 489 | Good |
| Bend Road over W Br Little Neshannock | 1956 | 488 | Poor |
| SR 4003 Good Hope over over Big Run Trib | 1914 | 483 | Fair |
| SR 2014 Scrubgrass over E Br Wolf Creek Trib. | 1939 | 472 | Poor |
| SR 2014 Scrubgrass over Wolf Creek | 2012 | 472 | Good |
| SR 551 Pulaski Rd. over over Buchanan Run Trib | 1989 | 472 | Good |
| SR 1015 Carlton Rd over French Creek | 2014 | 469 | Good |
| SR 1009 L. Wilhelm over Little Shenango River | 2011 | 465 | Good |
| East Gilmore Road over Wolf Creek | 1959 | 454 | Poor |
| Kelly Road over Shenango River | 2022 | 444 | Good |
| S. Foster Road over Yellow Creek | 1958 | 437 | Fair |
| SR 4019 Methodist over over Bluff Run | 1962 | 433 | Fair |
| SR 1011 Crpntrs.cr over over Clark Run | 1909 | 431 | Good |
| SR 1011 over Pine Run | 1907 | 431 | Good |
| SR 4025 Fredonia R over Mill Run | 1977 | 422 | Good |
| Andrusky Road over Mill Creek | 1969 | 412 | Good |
| Daugherty Road over Wolf Creek | 1953 | 410 | Poor |
| SR 4002 Carlisle over over Booth Run | 1963 | 405 | Good |
| Old Mercer Road over Neshannock Creek | 1922 | 402 | Poor |
| Lamor Road over Lackawannock Creek | 2017 | 393 | Good |
| SR 1004 Stoneboro over Coolspring Creek | 2010 | 391 | Good |
| SR 1004 Stoneboro over over SR 79 Nb/sb | 1967 | 391 | Good |
| SR 3015 Wansack Rd over Trib to Shenango River | 1962 | 390 | Fair |
| SR 3009 Buckwater over over Lt Neshannock Ck | 1954 | 378 | Fair |
| Hosack Road over Yellow Creek | 1965 | 375 | Poor |
| Halfway Road over Shenango River | 1983 | 365 | Good |
| SR 3019 Orangevill over over Towel Works Run | 1957 | 354 | Fair |
| SR 4021 Beatty Sch over over Freeland Run | 1915 | 349 | Fair |
| SR 4021 Beatty Sch over over Mccain Run | 1997 | 349 | Good |
| SR 4021 Beatty Sch over over Shenango River Trib | 2001 | 349 | Good |
| SR 4021 Creek Rd over over Morrison Run | 1958 | 349 | Good |
| SR 2019 Poole Road over over SR 79 Nb/sb | 1965 | 327 | Fair |
| Township Road 182 over Big Run | 1964 | 324 | Fair |
| Marsteller Road over Otter Creek Branch | 1982 | 318 | Fair |
| SR 2009 Cntrtwn.rd over over Wolf Creek Br | 1955 | 313 | Fair |
| Oak Hill Road over Turkey Run | 2016 | 305 | Good |
| SR 4003 Wasser Rd. over over Shenango River | 1914 | 304 | Fair |
| SR 2024 Kilgore Rd over over Wolf Creek | 1952 | 297 | Fair |
| Tait Road T-688 over Neshannock Creek | 1966 | 295 | Good |
| SR 4016 Osgood Rd over over Crooked Creek | 1963 | 288 | Good |
| SR 3022 Rutledge R over over Lacawannock Creek | 1999 | 281 | Good |
| SR 3022 Rutledge R over over Lackawannock Creek | 1999 | 281 | Good |
| SR 3022 Rutledge R over over Shenango River | 1967 | 281 | Fair |
| Marstellar Road over Otter Creek | 1960 | 277 | Poor |
| Blahut Road over Shenango River Branch | 1995 | 272 | Good |
| Wengler Ave over Pine Hollow Run | 1929 | 268 | Poor |
| SR 2004 Milburn Rd over Neshannock Ck | 2007 | 267 | Good |
| SR 2004 Milburn Rd over over Mill Run | 1904 | 267 | Fair |
| SR 2004 Milburn Rd over over Mill Run | 1992 | 267 | Good |
| Lacock Street over Sandy Creek | 1971 | 263 | Poor |
| SR 1015 New Lbanon over over North Deer Creek | 1996 | 262 | Good |
| SR 3022 Rutledge R over Booth Run | 1941 | 262 | Poor |
| K.O. Road over Crooked Creek | 1975 | 259 | Fair |
| SR 2104 Fox Mine R over over SR 79 Nb/sb | 1965 | 255 | Poor |
| Robertson Road over Golden Run | 1956 | 253 | Poor |
| McKinley Ave over Munnell Run | 1976 | 250 | Poor |
| Sunol Road over North Deer Creek Trib | 1994 | 249 | Good |
| SR 2028 Cortny Ml. over over Wolf Creek | 1965 | 245 | Fair |
| Hosack Road over Yellow Creek Branch | 1965 | 241 | Poor |
| Riggs Road over Little Deer Creek | 2007 | 233 | Good |
| E. Gilmore Road over Wolf Creek East Branch | 1996 | 231 | Good |
| SR 2101 Hartwick R over over SR 80 Eb/wb | 1965 | 229 | Good |
| SR 2102 Clntvlle R over over SR 79 NB | 1966 | 229 | Good |
| SR 2102 Clntvlle R over over SR 79 SB | 1966 | 229 | Good |
| S. Cottage Road over Yellow Creek | 1981 | 228 | Good |
| Baker Hill Road over Sugar Run | 2010 | 226 | Good |
| SR 4024 Baker Hill over Lawango Creek | 2010 | 226 | Good |
| Walnut Street over Sandy Lake Outlet | 2017 | 223 | Good |
| SR 4002 Coal Hill over Big Run | 1977 | 220 | Fair |
| Wozniak Road over Harthegig Run | 1963 | 220 | Poor |
| Lebanon Ave over Saul Run | 1934 | 214 | Fair |
| Lancaster Ave over Saul Run | 1982 | 213 | Fair |
| Church Road over Mill Run | 1975 | 209 | Fair |
| SR 4001 N Summit over Sugar Run Trib | 2013 | 207 | Good |
| Clark Road over Yellow Creek | 1971 | 205 | Good |
| Colt Road over Chestnut Creek | 1975 | 202 | Good |
| Harrisville Road over Wolf Creek | 1958 | 201 | Fair |
| N. Maysville Road over Big Run | 1976 | 201 | Good |
| SR 1019 Creek Rd. over Sandy Creek | 1960 | 196 | Fair |
| Elliott Road over Black Run | 1976 | 190 | Good |
| County Line Road over Sandy Creek | 1999 | 188 | Good |
| Pinchlong Road over Swamp Run Branch | 1922 | 182 | Fair |
| Henry Road over Little Shenango River | 1963 | 179 | Good |
| SR 2009 Cntrtwn.rd over over Centertown Run | 1961 | 179 | Fair |
| SR 1012 Glenn Schl over over Little Sandy Creek | 1966 | 178 | Fair |
| Hogback Road over Hogback Run | 2007 | 177 | Good |
| Fleming Road over Swamp Run | 1983 | 172 | Good |
| SR 1101 Creek Rd. over SR 79 NB | 1969 | 162 | Good |
| SR 1101 Creek Road over over SR 79 SB | 1969 | 162 | Fair |
| Triple Link Road over Butchery Run | 1958 | 157 | Poor |
| McClelland Road over Pine Run | 1988 | 154 | Good |
| SR 2022 Millbrook over over Wolf Creek | 1895 | 153 | Fair |
| Hassel Road over Magargee Run | 1975 | 152 | Poor |
| Tie Line Road over Wolf Creek Branch | 1964 | 152 | Good |
| SR 2016 Church Rd over over Mill Creek | 1952 | 151 | Fair |
| SR 2022 Millbrook over over Wolf Creek Branch | 1976 | 151 | Fair |
| Skunk Run over Coolspring Creek Branch | 1991 | 147 | Fair |
| SR 2024 Kilgore Rd over over Wolf Creek Branch | 1960 | 145 | Fair |
| SR 4021 Beatty Sch over Shenango River Trib | 2003 | 144 | Good |
| Pierson Road over Little Shenango River | 1992 | 141 | Good |
| Wise Road over Big Run | 1968 | 139 | Poor |
| Scott Road over Shenango River Tributary | 1957 | 135 | Poor |
| Black Run over Black Run Branch | 1972 | 134 | Fair |
| Number 8 Road over Lt Neshannock Creek Bran | 1956 | 132 | Good |
| Mill Creek Road over Mill Creek | 1974 | 130 | Good |
| Diamond Road over Wolf Creek Branch | 2008 | 127 | Good |
| CN Railroad (B&LE) over Orr Road | 1928 | 124 | Poor |
| SR 2103 Mill Brook over over SR 79 Nb/sb | 1966 | 123 | Fair |
| SR 3101 Stone Pile over SR 80 EB & WB | 1965 | 121 | Fair |
| Andrusky Road over Yellow Creek | 1985 | 115 | Fair |
| W. Lake Road over Brush Run | 1965 | 113 | Fair |
| Bush Road over Otter Creek | 1975 | 109 | Good |
| Foster Road over Mill Creek | 1986 | 106 | Fair |
| Long Hill Rd over Little Shenango River | 1983 | 103 | Fair |
| Bush Road over Otter Creek Tributary | 1958 | 102 | Fair |
| North Spring Road over Mill Run | 1922 | 98 | Poor |
| Triple Link Road over Sandy Creek | 1987 | 98 | Fair |
| Montgomery Dam Rd over Wolf Creek | 1985 | 97 | Fair |
| N. Bend Road over Lackawannock Creek | 1965 | 94 | Good |
| Clark Road over Fox Run | 1976 | 93 | Fair |
| Creek Road over North Deer Creek | 1965 | 90 | Good |
| Cossitt Road over Big Run | 1962 | 89 | Fair |
| Heasley Road over Shenango River Tributary | 1922 | 89 | Poor |
| Triple Link Road over Butchery Creek | 1974 | 89 | Fair |
| Carpenter Road over Little Shenango | 1961 | 87 | Poor |
| Clay Furnace Road over Magargee Run | 1973 | 85 | Good |
| Groover Road over Bluff Run | 1974 | 85 | Fair |
| Larimer Road over Sandy Creek | 1963 | 82 | Poor |
| Sugar Run Road over Sugar Run | 1990 | 81 | Good |
| Creek Road over Indian Run | 1988 | 78 | Good |
| Murphy Road over Branch of Shenango | 1963 | 78 | Poor |
| N. Mill Road over Coolsprings Creek | 1984 | 78 | Good |
| Hosack Road over Yellow Creek | 1965 | 76 | Poor |
| Wise Road over W Bran Little Neshannock | 1975 | 75 | Fair |
| Brinkley Road over Wolf Creek East Branch | 1999 | 73 | Good |
| Jamison Road over Wolf Creek Branch | 1983 | 72 | Good |
| Obitz Road over Mill Creek | 1982 | 72 | Good |
| Clayfurnace Road over Magargee Run | 2002 | 69 | Good |
| Patterson School over Wolf Creek East Branch | 2001 | 67 | Good |
| South Barry Road over Booth Run | 1990 | 66 | Fair |
| Woodland Road over Pine Run | 1986 | 63 | Good |
| Campground Road over Turkey Run | 1966 | 62 | Fair |
| Cribbs Road over Pine Run | 1994 | 61 | Good |
| Holmes Road over Otter Creek | 1984 | 61 | Good |
| Runkle Lane over Cool Springs Creek | 1954 | 61 | Poor |
| Deer Creek over North Deer Creek | 1975 | 58 | Good |
| Mill Road over Little Shenango River | 1885 | 57 | Poor |
| Delaware Road over Otter Creek | 1985 | 56 | Good |
| Shell Road over Little Shenango Branch | 1994 | 56 | Good |
| Haywood Street over Hogback Run | 1928 | 52 | Fair |
| North Road over North Deer Creek | 1987 | 52 | Good |
| Campground Road over Brush Run | 1975 | 50 | Good |
| McEwen Road over Kents Run | 1994 | 48 | Good |
| Cossitt Road over Big Run Branch | 1977 | 46 | Good |
| Straub Road over Otter Creek | 1985 | 45 | Fair |
| S. Barry Road over Booth Run | 1964 | 44 | Fair |
| Uber Road over Pine Run | 2000 | 44 | Good |
| Crouser School Rd over Mill Creek | 1908 | 43 | Poor |
| Mill Run Road over Mill Creek | 1987 | 43 | Good |
| Redfoot Road over Otter Creek | 2015 | 43 | Good |
| Parker Road over Unk tri to fox run | 2017 | 41 | Good |
| Vogan Road over Small Creek | 1987 | 41 | Good |
| Smola Road over Schofields Run | 1979 | 36 | Fair |
| Jack Road over Wolf Creek Branch | 1938 | 34 | Fair |
| Sopher Road over Wolf Creek Branch | 1985 | 34 | Good |
| Old Mercer Road over Pine Run | 1988 | 33 | Fair |
| Carey Road over Pine Run | 1958 | 32 | Fair |
| Holibaugh Road over Powder Mill Creek | 1977 | 32 | Fair |
| Sunol Road over North Deer Creek | 2007 | 32 | Good |
| Williamson Road over Little Shenango Branch | 1934 | 32 | Poor |
| Bishop Road over Sandy Creek | 1985 | 31 | Poor |
| Branch Road over North Deer Creek | 1990 | 31 | Good |
| Yeager Road over Pine Run | 1961 | 31 | Poor |
| Huron Street over Chestnut Run | 1897 | 28 | Poor |
| Old Perry Highway over Sandy Creek | 1986 | 28 | Fair |
| Deemers Dam Road over Little Sandy Creek | 1997 | 27 | Good |
| Scofield Road over Sandy Creek | 1969 | 27 | Poor |
| Hutchison Road over Little Shenango Branch | 1965 | 24 | Poor |
| Lower Road over North Deer Creek | 1997 | 24 | Good |
| Old Perry Highway over Black Run | 1986 | 24 | Good |
| Sunol Road over Black Run | 1982 | 24 | Good |
| Gardner Hill Rd over Shenango River Branch | 1934 | 23 | Fair |
| Pierson Road over Morrison Run | 1962 | 22 | Fair |
| Crystal Spring over Little Sandy Creek | 1965 | 21 | Poor |
| Black Road over French Creek Branch | 1905 | 20 | Fair |
| Hemlock Road over East Branch Wolf Creek | 1961 | 17 | Fair |
| Creek Road over North Deer Creek | 1987 | 10 | Poor |
| Creek Road over Wolf Creek | 1962 | 10 | Fair |
| Kerrstown Road over Dugan Road | 1895 | 8 | Good |
| Calvin Road over Bluff Run | 1900 | – | Poor |