| Rte 417 over Olean Trail | 2009 | 14,595 | Good |
| Rte 417 over Olean Creek | 1929 | 14,592 | Fair |
| Rte 16 over Cattaraugus Creek | 1988 | 12,864 | Fair |
| Rte I86 over Allegheny River | 1987 | 11,973 | Fair |
| Rte I86 over Rte 219 | 1987 | 11,973 | Good |
| Rte I86 over Godfrey Hllow Brk | 1972 | 11,480 | Fair |
| Rte 417 over Dodge Creek | 1951 | 10,753 | Good |
| Rte 417 over Haskell Creek | 1996 | 10,753 | Good |
| Main Street over Olean Creek | 1950 | 10,428 | Good |
| Rte 417 over Western Ny & Pennsylvani | 1990 | 10,097 | Fair |
| Rte 16 over Olean Creek | 1966 | 9,880 | Fair |
| Rte I86 over Bay State Brook | 1967 | 9,570 | Good |
| Rte I86 over Red House Brook | 1966 | 9,570 | Fair |
| Rte 219 over Allegheny River | 1984 | 9,512 | Fair |
| Rte 219 over Leonard Brook | 2019 | 9,512 | Good |
| Rte 219 over Nichols Run | 2023 | 9,512 | Good |
| Rte 219 over State Line Brook | 1958 | 9,512 | Good |
| Rte I86 over Cold Spring Creek | 1967 | 9,440 | Good |
| Rte I86 over Allegheny River | 1986 | 9,200 | Fair |
| Rte I86 over Buffalo.& Pittsburgh Is | 1986 | 9,200 | Fair |
| Rte 62 over Cattaraugus Creek | 1963 | 9,101 | Good |
| Rte 219 over Crowley Creek | 2022 | 8,690 | Good |
| Rte 16 over Cheny Brook | 1988 | 8,143 | Fair |
| Rte I86 over Battle Creek | 1972 | 7,299 | Fair |
| Rte I86 over Branch of Cold Spring CR | 1972 | 7,299 | Good |
| Rte I86 over Lit.conewango Crk | 1972 | 7,299 | Fair |
| Rte I86 over Fay Hollow Road | 1972 | 6,790 | Good |
| Rte I86 over Gile Hollow Road | 1972 | 6,790 | Fair |
| Rte I86 over Gull Brook | 2006 | 6,790 | Good |
| Rte I86 over Hastings Road | 1972 | 6,790 | Fair |
| Rte I86 over Ischua Creek | 1972 | 6,790 | Poor |
| Rte I86 over Olean Creek | 1972 | 6,790 | Fair |
| Rte I86 over Union Valley Road Union | 1972 | 6,790 | Good |
| Rte 417 over Butternut Brook | 1951 | 6,406 | Fair |
| Rte I86 over Schoolhouse Road | 1968 | 6,256 | Good |
| Rte I86 over Buffalo Street Buffalo | 1973 | 6,157 | Good |
| Rte I86 over Johnson St. | 1973 | 6,157 | Good |
| Rte I86 over River Street Olean Cree | 1973 | 6,157 | Fair |
| Rte I86 over Wny&pa RR | 1973 | 6,157 | Fair |
| Rte 219 over Connoisarauley CR | 1956 | 6,083 | Fair |
| Rte 219 over Connoisarauley CR | 1956 | 6,083 | Fair |
| Rte 219 over Crowley Creek | 1953 | 6,083 | Fair |
| Rte 417 over Five Mile Creek | 1980 | 6,069 | Fair |
| Rte I86 over RTE 417 Allegheny River | 1988 | 6,049 | Fair |
| Rte I86 over South Nine Mile Road | 1988 | 6,049 | Fair |
| Rte I86 over RTE 417 Allegheny River | 1988 | 5,987 | Fair |
| Rte I86 over South Nine Mile Road | 1988 | 5,987 | Fair |
| Rte 242 over Little Valley Crk | 1940 | 5,968 | Fair |
| Rte 242 over Tb Lit Valley Crk | 1992 | 5,968 | Good |
| Rte 394 over Lit Conewango C | 2003 | 5,892 | Fair |
| Rte I86 over Buffalo Street Buffalo | 1973 | 5,845 | Good |
| Rte I86 over Johnson Street | 1973 | 5,845 | Good |
| Rte I86 over River Street Olean Cree | 1973 | 5,845 | Fair |
| Rte I86 over Wny&pa RR | 1973 | 5,845 | Fair |
| Rte I86 over Five Mile Creek | 1973 | 5,764 | Good |
| Rte I86 over Five Mile Road | 1973 | 5,764 | Fair |
| Rte 417 over Allegheny River | 1957 | 5,750 | Fair |
| Five Mile Rd over Allegheny River | 1973 | 5,735 | Fair |
| Rte I86 over Rte 417 | 1980 | 5,655 | Good |
| Rte I86 over Rte 951M Townsend Creek | 1984 | 5,655 | Fair |
| Rte I86 over State Park Avenue | 1980 | 5,655 | Fair |
| Rte 353 over Little Valley Creek | 1992 | 5,651 | Fair |
| Rte 353 over Little Valley Crk | 1948 | 5,651 | Fair |
| Rte 353 over Little Valley Crk | 1941 | 5,651 | Fair |
| Rte 353 over Whig Street Creek | 1941 | 5,651 | Fair |
| Cascade Road / Mil over Cattaraugus Creek | 2017 | 5,444 | Good |
| Rte 16 over Gates Creek | 1934 | 5,437 | Poor |
| Rte 16 over Saunders Creek | 1934 | 5,437 | Poor |
| Rte 16 over Branch Olean Crk | 1937 | 5,408 | Fair |
| Rte 16 over Oil Creek | 1947 | 5,408 | Fair |
| Rte 16 over Scott Branch Crk | 1947 | 5,408 | Fair |
| Rte 16 over Western Ny & Penn | 1995 | 5,408 | Good |
| Rte 219 over Great Valley Creek | 1998 | 5,318 | Fair |
| Rte 219 over Great Valley Crk | 1960 | 5,318 | Fair |
| Rte 219 over Great Valley Crk | 1997 | 5,318 | Good |
| Rte 219 over Wrights Creek | 1994 | 5,318 | Fair |
| Rte 219 over Br Great Valley Creek | 1950 | 5,296 | Fair |
| Rte 219 over Great Valley Creek | 1992 | 5,296 | Good |
| Rte 219 over Plum Creek | 1950 | 5,296 | Fair |
| Rte I86 over 16 16 51013057 Rte 16 | 1972 | 5,279 | Fair |
| Rte I86 over Fay Hollow Road | 1972 | 5,279 | Good |
| Rte I86 over Gile Hollow Road | 1972 | 5,279 | Fair |
| Rte I86 over Gull Brook | 2007 | 5,279 | Good |
| Rte I86 over Hastings Road | 1972 | 5,279 | Fair |
| Rte I86 over Ischua Creek | 1972 | 5,279 | Good |
| Rte I86 over Olean Creek | 1972 | 5,279 | Fair |
| Rte I86 over Union Valley Road Union | 1972 | 5,279 | Fair |
| Rte I86 over Five Mile Creek | 1973 | 5,178 | Good |
| Rte I86 over Five Mile Rd | 1973 | 5,178 | Fair |
| Rte I86 over Schoolhouse Road | 1968 | 5,125 | Good |
| Rte 16 over Allegheny River | 1955 | 5,115 | Fair |
| Rte 16 over Elton Creek | 1964 | 4,878 | Good |
| Rte 16 over Ischua Creek | 1994 | 4,878 | Fair |
| Rte 16 over Lime Lake Outlet | 1934 | 4,878 | Poor |
| Rte I86 over Main Street | 1971 | 4,874 | Fair |
| Main Street over Allegheny River | 1990 | 4,817 | Fair |
| Five Mile Road over Smith Hollow | 2001 | 4,811 | Good |
| Rte I86 over 16 16 51013057 Rte 16 | 1972 | 4,801 | Fair |
| Rte I86 over Oil Creek Channel | 1972 | 4,801 | Good |
| Rte I86 over Red House Rd Exit Ramp F | 1970 | 4,785 | Good |
| Rte 219 over Great Valley Crk | 1994 | 4,753 | Good |
| Rte 219 over Windfall Creek | 1964 | 4,753 | Good |
| Rte I86 over Allegheny River | 1965 | 4,720 | Fair |
| Rte I86 over Rte 950A | 1971 | 4,720 | Fair |
| Rte 16 over Brch Ischua Creek | 1993 | 4,683 | Good |
| Rte 16 over Ischua Creek | 1993 | 4,683 | Fair |
| Rte 16 over Unnamed Stream | 1977 | 4,683 | Fair |
| Rte I86 over Oil Creek Channel | 1972 | 4,534 | Good |
| Rte 98 over Clear Creek | 1966 | 4,480 | Fair |
| Rte I86 over Rte 417 | 1980 | 4,459 | Good |
| Rte I86 over Rte 951M Townsend Creek | 1984 | 4,459 | Fair |
| Rte I86 over State Park Avenue | 1980 | 4,459 | Fair |
| Rte 353 over Allegheny River | 2011 | 4,157 | Good |
| Rte 952M over Battle Creek | 2004 | 4,148 | Fair |
| Rte 219 over 219 219 51133341 Rte 21 | 2010 | 4,036 | Good |
| Rte 952W over 86I 17 51123127 Rte I86 | 1973 | 4,032 | Fair |
| Rte I86 over Red House Rd Exit Ramp F | 1970 | 4,023 | Fair |
| Rte I86 over Allegheny River | 1967 | 3,937 | Fair |
| Rte I86 over Rte 950A | 1971 | 3,937 | Good |
| Rte 394 over Elm Creek | 1932 | 3,890 | Fair |
| Rte I86 over Corbett Hill Road | 1971 | 3,783 | Fair |
| Rte 16 over Branch Ischua Creek | 1971 | 3,664 | Good |
| Rte 16 over Branch Ischua Creek | 2008 | 3,664 | Fair |
| Rte 16 over Branch Ischua Creek | 2007 | 3,664 | Good |
| Rte 16 over Farwell Hollow | 2008 | 3,664 | Fair |
| Rte I86 over Corbett Hill Road | 1971 | 3,650 | Fair |
| Rte I86 over Main Street | 1971 | 3,650 | Fair |
| Rte 219 over Western Ny & Penn | 1985 | 3,425 | Fair |
| Rte 242 over Dublin Hollow Ck | 1994 | 3,321 | Good |
| Rte 417 over Nine Mile Creek | 1930 | 3,122 | Fair |
| Rte 417 over Tenmile Creek | 1930 | 3,122 | Fair |
| Rte 305 over Oswayo Stream | 1964 | 3,040 | Fair |
| N Seventh Street over 86I 17 51123149 Rte I86 | 1973 | 2,854 | Good |
| Rte 98 over Clear Creek | 1968 | 2,711 | Fair |
| Rte 98 over Clear Creek Trib. | 1968 | 2,711 | Good |
| Rte 98 over Relief | 1988 | 2,711 | Fair |
| Rte 305 over Deer Creek | 1945 | 2,597 | Poor |
| Rte 353 over Br Cattaraugus Ck | 1980 | 2,596 | Good |
| Rte 353 over Br Cattaraugus Creek | 1998 | 2,596 | Fair |
| Rte 353 over Cattaraugus Creek Feeder | 1998 | 2,596 | Fair |
| River Road over Four Mile Creek | 1987 | 2,532 | Good |
| Five Mile Road over Five Mile Creek | 2002 | 2,438 | Fair |
| Rte 219 over Cattaraugus Creek | 2010 | 2,300 | Good |
| Rte 219 over Cattaraugus Crk | 2010 | 2,300 | Good |
| Rte 219 over Schwartz Rd | 2010 | 2,300 | Good |
| Rte 219 over Schwartz Road | 2010 | 2,300 | Good |
| Rte 39 over Thatcher Brook | 1987 | 2,259 | Fair |
| Connoisarauley Rd over Connoisarauley CR | 1999 | 2,183 | Good |
| Mill Street over Great Valley Crk | 1988 | 2,152 | Good |
| Rte 242 over Great Valley Creek | 1957 | 1,988 | Poor |
| Rte 242 over Great Valley Creek | 1955 | 1,988 | Fair |
| Rte 242 over Irish Hill Brook | 1973 | 1,988 | Good |
| Rte 242 over Feeder Lit Valley Creek | 1993 | 1,953 | Fair |
| Rte 242 over Spring Creek | 1997 | 1,953 | Fair |
| Windfall Road over Private Roadway | 1991 | 1,918 | Good |
| Rte 62 over Thatcher Brook | 1985 | 1,775 | Fair |
| Rte 62 over Thatcher Brook | 1985 | 1,775 | Fair |
| Rte 62 over Thatcher Brook | 1934 | 1,775 | Fair |
| Rte 446 over Painterlick Crk | 1969 | 1,765 | Fair |
| County Road 12 over SB Cattaraugus Creek | 2001 | 1,735 | Good |
| RAMP J at EXIT 26 over Erie Street Western Ny | 1973 | 1,636 | Fair |
| Rte 16 over 86I 17 51124018 Rte I86 | 1973 | 1,636 | Fair |
| County Road 18 over Trib. Wrights Crk | 2005 | 1,627 | Good |
| County Road 18 over Wrights Creek | 2005 | 1,627 | Good |
| County Road 18 over Wrights Creek | 2001 | 1,624 | Good |
| County Road 18 over Wrights Creek | 2002 | 1,604 | Fair |
| West State Street over Little Valley Crk | 2009 | 1,515 | Good |
| County Road 29 over Mix Creek | 1988 | 1,505 | Fair |
| Rte 98 over Branch Forks Crk | 2001 | 1,493 | Good |
| Rte 98 over Forks Crk. Feeder | 1927 | 1,493 | Fair |
| Rte 98 over Gates Creek | 1927 | 1,493 | Fair |
| Rte 98 over Ischua Creek | 1926 | 1,493 | Fair |
| Rte 98 over Storrs Creek | 1989 | 1,493 | Fair |
| Rte 98 over Carpenter Brook | 2004 | 1,492 | Good |
| Rte 98 over Feeder Ischua Creek | 2004 | 1,492 | Good |
| Rte 62 over Conewango Creek | 2005 | 1,489 | Good |
| Rte 62 over Mill Creek | 1993 | 1,489 | Good |
| Rte 62 over Mud Creek | 1944 | 1,489 | Fair |
| County Road 12 over S Br Catt Creek | 1999 | 1,387 | Good |
| County Road 12 over S Br Cattaraugus | 1991 | 1,387 | Good |
| Freedom Road over Clear Creek | 1989 | 1,353 | Fair |
| Rte 240 over Cattaraugus Creek | 2006 | 1,328 | Good |
| Rte 62 over Johnson Creek | 2004 | 1,315 | Fair |
| County Road 86 over Buttermilk Creek | 1995 | 1,290 | Fair |
| Freedom Road over Clear Creek | 2015 | 1,283 | Good |
| Rte 62 over Conewango Creek | 1934 | 1,278 | Poor |
| Rte 62 over Mud Creek | 2015 | 1,278 | Good |
| Rte 62 over State Drain Ditch | 1934 | 1,278 | Fair |
| Rte 394 over Battle Creek | 2002 | 1,272 | Good |
| Rte 241 over Conewango Feeder | 1939 | 1,270 | Fair |
| Rte 241 over Willis Creek | 1936 | 1,270 | Fair |
| County Road 12 over SB Cattaraugus Ck | 2003 | 1,259 | Fair |
| Freedom Road over Clear Creek | 1995 | 1,241 | Fair |
| Rte 242 over Beaver Meadows Ck | 1932 | 1,227 | Fair |
| Rte 242 over Devereaux Br Fd | 1933 | 1,227 | Fair |
| Rte 242 over Devereaux Br Fd | 1933 | 1,227 | Fair |
| Rte 242 over Devereaux Br Fd | 1933 | 1,227 | Fair |
| Rte 242 over Devereaux Branch | 2001 | 1,227 | Good |
| Rte 394 over Cold Stream Brook | 1967 | 1,193 | Fair |
| Rte 394 over Western Ny & Penn | 1965 | 1,193 | Fair |
| Temple Street over Dodge Creek | 1994 | 1,173 | Fair |
| Mill Street over Elton Creek | 1977 | 1,131 | Good |
| Mill Street over Lime Lake Outlet | 1990 | 1,131 | Fair |
| Elm Street over Ischua Creek | 2001 | 1,059 | Good |
| Main Street over Nichols Run | 2008 | 1,056 | Good |
| Pigeon Hill Road over Elton Creek | 1978 | 1,047 | Fair |
| Mckinstry Road over Elton Creek | 1977 | 995 | Fair |
| Fay Hollow Road over Fay Hollow Creek | 2001 | 964 | Good |
| Fay Hollow Road over Olean Creek | 1997 | 964 | Good |
| S. Chapel Street over Thatcher Brook | 1987 | 936 | Fair |
| Martin Road over Forks Creek | 2018 | 914 | Good |
| County Road 25 over Rawson Creek | 2007 | 907 | Good |
| Larkin St over 86I 17 51121040 Rte I86 | 1971 | 895 | Fair |
| County Road 14 over Br Little Vall Ck | 1995 | 872 | Good |
| Toad Hollow Road over Eddyville Creek | 1967 | 872 | Fair |
| Toad Hollow Road over Mansfield Creek | 1993 | 872 | Good |
| County Road 12 over S Br Cattaraugus | 1960 | 845 | Fair |
| County Road 12 over S Br Cattaraugus Creek | 1970 | 845 | Fair |
| County Road 21 over Elton Creek | 1989 | 845 | Fair |
| Eagle Street over Clear Creek | 1980 | 834 | Fair |
| Boyce Hill Road over Boyce Run | 1991 | 812 | Fair |
| Pine Street over Saunders Creek | 1992 | 786 | Good |
| Main Street over W B Conewango Crk | 1994 | 769 | Good |
| Steam Valley Road over Allegheny River | 1991 | 745 | Good |
| Delevan Elton Rd over Elton Creek | 1998 | 741 | Good |
| Rawson Road over Br Caneadea Crk | 1994 | 739 | Good |
| Leon Road over Trb Conewango Crk | 2004 | 737 | Fair |
| County Road 71 over Somervlle Val Crk | 1995 | 733 | Good |
| Rte 240 over Gooseneck Creek | 1993 | 727 | Fair |
| County Road 6 over Trb Conewango Crk | 1995 | 714 | Fair |
| County Road 27 over Haskell Creek | 2016 | 707 | Good |
| County Road 27 over Wolf Run Creek | 2000 | 707 | Fair |
| Chapin Cross Road over Five Mile Creek | 1969 | 686 | Fair |
| Gooseneck Road over Gooseneck Creek | 2001 | 685 | Good |
| Gooseneck Road over Gooseneck Creek | 1984 | 685 | Fair |
| Union Valley Road over Olean Creek | 1988 | 678 | Fair |
| Mosher Hollow Rd over Trb Conewango Crk | 2004 | 667 | Fair |
| Rte 280 over 86I 17 51021127 Rte I86 | 1967 | 667 | Fair |
| Rte 280 over Quaker Lake Outlt | 1965 | 667 | Fair |
| Rte 280 over Wolf Run Creek | 1966 | 667 | Poor |
| Nine Mile Road over Chipmunk Creek | 1984 | 638 | Good |
| Church Street over Elton Creek | 1987 | 635 | Fair |
| Rte 240 over Beaver Meadows CR | 1992 | 627 | Fair |
| County Road 65 over Elm Creek | 1985 | 618 | Good |
| Irr Rte 955R over Cattaraugus Creek | 1987 | 614 | Fair |
| Meyers Corners Rd over Conewango Creek | 1983 | 613 | Fair |
| County Road 19 over Five Mile Creek | 1993 | 604 | Fair |
| Mosher Hollow Rd over Trb Conewango Crk | 1989 | 590 | Good |
| Gile Hollow Road over Ischua Creek | 2020 | 583 | Good |
| Bray Road over Clear Creek | 1970 | 582 | Fair |
| Mosher Hollow Rd over Conewango Creek | 1992 | 576 | Good |
| Mosher Hollow Rd over Conewango Creek | 1992 | 576 | Fair |
| Mosher Hollow Rd over Conewango Creek | 1993 | 576 | Good |
| Mosher Hollow Rd over Conewango Creek | 2015 | 559 | Good |
| County Road 24 over Trib Gates Creek | 1995 | 531 | Fair |
| Gile Hollow Road over Gull Brook | 2003 | 525 | Good |
| Gooseneck Road over Mckinstry Creek | 1988 | 521 | Good |
| County Road 21 over Elton Creek | 2001 | 520 | Good |
| Abbotts Road over Trib of Cuba Lake | 2006 | 517 | Fair |
| County Road 11 over SB Cattaraugus Ck | 2013 | 511 | Good |
| Pigeon Valley Rd over Peaslee Hollow CR | 1993 | 509 | Fair |
| Hill Street over Thatcher Brook | 1968 | 498 | Fair |
| Bailey Drive over Tunungwant Creek | 1978 | 497 | Fair |
| Rte 951 over Phil Creek | 2014 | 486 | Good |
| Elm Creek Road over Elm Creek | 2008 | 479 | Good |
| Martha Street over Great Valley Crk | 1998 | 478 | Fair |
| Five Mile Road over Ischua Creek | 2019 | 472 | Good |
| Hardy Corners Rd over Saunders Creek | 1979 | 458 | Fair |
| County Road 13 over Jersey Hollow Crk | 1991 | 457 | Fair |
| Five Mile Road over Br Five Mile Crk | 1987 | 443 | Fair |
| Lebanon Road over Cold Spring Creek | 2015 | 433 | Good |
| County Road 71 over Forks Creek | 1970 | 426 | Good |
| County Road 68 over SB Cattaraugus Ck | 1961 | 423 | Fair |
| Allegany Road over Br Cold Spring CR | 1951 | 422 | Good |
| Brewer Cross Road over Great Valley Crk | 1989 | 422 | Good |
| Bentley Road over Slab City Creek | 1998 | 417 | Good |
| Third Street over Br Little Valley | 2001 | 416 | Good |
| Dredge Road over Conewango Creek | 2023 | 411 | Good |
| East Flats Road over East Otto Creek | 1983 | 399 | Fair |
| County Road 13 over Mansfield Creek | 1986 | 396 | Fair |
| County Road 13 over Trib Mansfield CR | 1993 | 396 | Good |
| County Road 13 over Trib. to Cattaraugus Cre | 2017 | 396 | Fair |
| Abbotts Road over Trib of Cuba Lake | 1995 | 391 | Good |
| Abbotts Road over Trib of Cuba Lake | 1987 | 391 | Fair |
| Mosher Hollow Rd over Trb Conewango Crk | 2006 | 391 | Fair |
| Mosher Hollow Rd over Trb Conewango Crk | 1991 | 386 | Good |
| Mosher Hollow Rd over Trb Conewango Crk | 1991 | 386 | Good |
| Creek Road over Elton Creek | 1997 | 381 | Fair |
| Bryant Hill Road over Bryant Hill Creek | 1991 | 371 | Good |
| Allegany State Par over Quaker Run | 1991 | 370 | Fair |
| Irr Rte 951R over Little Indian Crk | 1992 | 370 | Good |
| West River Road over Allegany River | 1984 | 369 | Good |
| N Ninth Street over Little Valley Crk | 2011 | 366 | Good |
| Hinman Hollow Rd over Mansfield Creek | 1960 | 363 | Fair |
| Hinman Hollow Road over Mansfield Creek | 2022 | 363 | Good |
| Allegany Road over Waite Creek | 1951 | 351 | Good |
| West Branch Road over Four Mile Creek | 2003 | 347 | Good |
| County Road 9 over Lit Conewango Crk | 1930 | 344 | Poor |
| County Road 13 over Mansfield Creek | 1990 | 340 | Good |
| Johnson Street over Thatcher Brook | 1995 | 337 | Good |
| Five Mile Road over Hardscrabble Creek | 2000 | 335 | Fair |
| County Road 12 over Ex Buff & Pitts R.o. | 2013 | 333 | Good |
| Flannigan Hill over Western Ny & Penn | 2003 | 331 | Good |
| County Road 15 over Dublin Creek | 1962 | 329 | Fair |
| County Road 18 over Trib. Wrights Crk | 2002 | 329 | Good |
| County Road 18 over Wrights Creek | 1996 | 329 | Good |
| N Nine Mile Ck Rd over Nine Mile Creek | 1992 | 328 | Fair |
| N Nine Mile Road over Nine Mile Creek | 1992 | 328 | Fair |
| N. Ninemile Road over Nine Mile Crk | 1987 | 328 | Good |
| No. Nine Mile Road over Ninemile Creek | 2008 | 328 | Good |
| No.nine Mile Road over Ninemile Creek | 1999 | 328 | Good |
| Spring Street over Elm Creek | 1997 | 328 | Good |
| County Road 14 over Br Lit Valley Crk | 1963 | 324 | Fair |
| State Park Route 3 over Quaker Run | 1993 | 319 | Good |
| Junction Rd over Ischua Creek | 2002 | 318 | Fair |
| Van Etten Road over Thatcher Brook | 2002 | 318 | Good |
| Aleg State Park 1 over Red House Brook | 1940 | 317 | Fair |
| Sparks Road over Clear Creek | 1983 | 311 | Fair |
| Underwood Cors Rd over Cold Spring Creek | 1963 | 304 | Fair |
| Bone Run Road over Bone Run | 1953 | 303 | Poor |
| Bone Run Road over Bone Run Creek | 1982 | 303 | Fair |
| County Road 21 over Elton Creek | 1910 | 303 | Poor |
| Cowens Corners Rd over Clear Creek | 1986 | 299 | Good |
| Cowens Corners Rd over Conewango Creek | 2014 | 299 | Good |
| Cowens Corners Rd over Conewango Dredge | 1983 | 299 | Good |
| Bakerstand Road over Br Great Vlly Crk | 2007 | 293 | Good |
| Underwood Road over 86I 17 51125064 Rte I86 | 1972 | 291 | Fair |
| Underwood Road over Oil Creek | 1993 | 291 | Good |
| Ashford Hollow Rd over Buttermilk Creek | 2015 | 287 | Good |
| Irr Rte 951R over Bucktooth Run | 1998 | 285 | Fair |
| County Road 6 over Mud Creek | 1994 | 281 | Good |
| County Road 6 over Mud Creek | 2018 | 281 | Good |
| County Road 6 over Mud Creek | 2021 | 281 | Good |
| County Road 6 over Mud Creek | 2003 | 281 | Good |
| Coal Chutes Road over Ischua Creek | 1997 | 279 | Good |
| Coon Run Road over Quaker Run | 1930 | 276 | Good |
| Park Side Drive over Irish Brook | 1993 | 276 | Good |
| Sugartown Road over Forks Creek | 1973 | 274 | Good |
| Bowen Road over Battle Creek | 1993 | 271 | Fair |
| Bowen Road over Battle Creek | 1995 | 271 | Fair |
| Xura Smith Road over Conewango Creek | 2017 | 265 | Good |
| County Road 24 over Gates Creek | 1985 | 263 | Fair |
| Dutch Hill Road over Branch Little Valley Cre | 1992 | 254 | Fair |
| Crumb Hill Road over East Otto Creek | 2007 | 247 | Good |
| Gypsy Road over Quaker Run | 2021 | 244 | Good |
| Parkside Drive over Limestone Brook | 2003 | 242 | Good |
| Bowen Road over Brch Battle Creek | 1997 | 240 | Fair |
| Allegany St Pk 2 over Red House Brook | 1935 | 239 | Fair |
| Allegany St Pk 2 over Red House Brook | 1995 | 239 | Good |
| Whig Street over Whig Street Creek | 1959 | 236 | Good |
| Whig Street over Whig Street Creek | 1987 | 236 | Good |
| County Road 21 over S BR ELTON CREEK Quarry | 1993 | 233 | Good |
| County Road 21 over S Br Elton Creek | 1973 | 233 | Fair |
| County Road 21 over Trib Elton Creek | 1988 | 233 | Fair |
| Irvine Mills Rd over Tunungwant Creek | 2010 | 230 | Good |
| County Road 24 over Trib to Cuba Lake | 1969 | 229 | Good |
| Howe Hill Road over Wrights Creek | 1937 | 225 | Fair |
| Utley Road over SB Cattaraugus Ck | 1997 | 225 | Good |
| Galen Hill Road over Clear Creek | 1980 | 223 | Poor |
| Hinman Hollow Rd over Mansfield Creek | 1987 | 222 | Fair |
| Monroe Street over Great Valley Crk | 2001 | 220 | Good |
| Hungry Hollow Rd over Trib Great Valley | 1990 | 218 | Good |
| Lindberg Road over Mansfield Creek | 1970 | 214 | Fair |
| North Otto Road over Waterman Brook | 2010 | 211 | Good |
| Allegany St Pk 2A over Red House Brook | 1935 | 210 | Fair |
| Jersey Hollow Road over Jersey Hollow Creek | 2023 | 210 | Good |
| Ireland Road over Lit Conewango Crk | 1989 | 202 | Fair |
| Tannery Road over Trib S Br Catt CR | 2021 | 200 | Good |
| Creek Road over Gun Barrel Creek | 1991 | 196 | Fair |
| Hinman Hollow Rd over Mansfield Creek | 1965 | 191 | Fair |
| Hinman Hollow Rd over Mansfield Creek | 1963 | 191 | Fair |
| Pennsylvania Road over Fay Hollow Brook | 2012 | 190 | Good |
| Sawmill Run Road over N Br Sawmill Run | 1967 | 185 | Fair |
| Sawmill Run Road over N Br Sawmill Run | 2003 | 185 | Good |
| Sawmill Run Road over S Br Sawmill Run | 1981 | 185 | Fair |
| Sawmill Run Road over Sawmill Run Creek | 1966 | 185 | Good |
| Scott Corners Rd. over Mansfield Creek | 1981 | 185 | Fair |
| Rte 951T over Cold Spring Creek | 1928 | 181 | Poor |
| First Street over Little Valley Crk | 1993 | 180 | Fair |
| Church Road over Five Mile Creek | 1992 | 163 | Fair |
| Wolf Road over Conewango Creek | 1994 | 161 | Fair |
| Thomas Corners Rd over Buttermilk Creek | 2013 | 159 | Good |
| Jollytown Road over Haskell Creek | 1978 | 157 | Fair |
| Walker Road over Elm Creek | 1985 | 155 | Good |
| Cadiz Road over Storrs Creek | 1997 | 151 | Fair |
| Beaver Meadows Rd over Beaver Meadows Creek | 1998 | 143 | Fair |
| Mill Street over Br Little Valley | 1938 | 142 | Poor |
| Frog Valley Road over W B Conewango Crk | 1985 | 141 | Fair |
| Kent Switch Road over Trb Conewango Crk | 2001 | 141 | Good |
| Beamer Road over Trib. Ischua Creek | 2008 | 139 | Good |
| Flatiron Road over Mud Creek | 1980 | 139 | Fair |
| Flatiron Road over Mud Creek | 1989 | 139 | Fair |
| Hammond Hill Road over Connoisarauley CR | 1972 | 139 | Fair |
| Northeast Road over N Br Mill Creek | 1991 | 139 | Fair |
| Worden Road over Lime Lake Outlet | 2003 | 137 | Good |
| Eaton Cross Road over Fivemile Creek | 2005 | 134 | Good |
| Flat Iron Road over Mill Creek | 1992 | 133 | Fair |
| Flat Iron Road over Mud Creek | 1984 | 133 | Fair |
| County Road 75 over East Otto Creek | 1976 | 131 | Fair |
| Rohr Road over East Otto Creek | 1978 | 131 | Good |
| Yubadam Road over Dodge Creek | 1971 | 131 | Fair |
| Irr Rte 951R over 86I 17 51121185 Rte I86 | 1967 | 130 | Fair |
| Blue Street over Elton Creek | 1981 | 121 | Fair |
| Pierce Hill Road over Ischua Creek | 1976 | 120 | Poor |
| Very Road over Ischua Creek | 2011 | 120 | Good |
| Center Street over Battle Creek | 2005 | 116 | Good |
| Waite Hollow Road over Waite Hollw Creek | 1991 | 116 | Fair |
| Cain Hollow Road over Quaker Run | 1967 | 114 | Poor |
| Oldro Hill Rd over 86I 17 51121091 Rte I86 | 1971 | 114 | Good |
| Heddon Hollow Rd over Haskell Creek | 1937 | 111 | Poor |
| Gulf Road over Br Conewango Crk | 1981 | 109 | Fair |
| Willow Road over Willow Creek | 1980 | 109 | Good |
| Eldridge Road over Mud Creek | 1987 | 105 | Fair |
| Town Line Road over Gates Creek | 1991 | 101 | Fair |
| Rte 951R over Allegheny River | 1925 | 100 | Poor |
| County Road 15 over Dublin Creek | 1964 | 98 | Poor |
| Pope Road over Elm Creek | 1981 | 98 | Poor |
| White Road over Buttermilk Creek | 1926 | 98 | Poor |
| Archer Hill Road over 86I 17 51121052 Rte I86 | 1971 | 96 | Good |
| Town Hill Road over Mud Creek | 1951 | 94 | Fair |
| Colvin Road over S Br Cattargus Ck | 2001 | 93 | Good |
| Dow Road over Br Clear Creek | 1990 | 92 | Good |
| Farwell Road over Ischua Creek | 1891 | 92 | Fair |
| Sisson Road over Ischua Creek | 1970 | 92 | Poor |
| Bozard Hill Road over Wrights Creek | 1938 | 85 | Fair |
| Bay State Road over Red House Brook | 1967 | 81 | Good |
| County Road 12 over Connoisarauly Crk | 2001 | 77 | Good |
| Leon Road over Conewango Creek | 2006 | 77 | Fair |
| Stoddard Road over Mill Creek | 1991 | 74 | Good |
| Dutch Hill Road over Ischua Creek | 1993 | 73 | Good |
| Dutch Hill Road over Western Ny & Penn Railro | 1995 | 73 | Good |
| Northeast Road over Mill Creek | 1997 | 73 | Good |
| Railroad Avenue over Br Little Valley | 1997 | 73 | Good |
| Reynolds Road over Ischua Creek | 1983 | 72 | Fair |
| Scott Hollow Road over Lawrence Hollow Crk | 2004 | 71 | Good |
| Kent Road over Ischua Creek | 1980 | 69 | Fair |
| Johnson Hollow Rd over Trib Ischua Creek | 1993 | 68 | Good |
| Bay State Road over Bay State Brook | 1993 | 64 | Good |
| Bay State Road over Bay State Brook | 1993 | 64 | Good |
| Bay State Road over Bay State Brook | 1999 | 64 | Good |
| County Road 21 over Elton Creek | 1990 | 63 | Good |
| Older Hill Road over Elton Creek | 1952 | 63 | Fair |
| Hastings Road over Olean Creek | 1986 | 61 | Fair |
| Morgan Hollow Rd over Forks Creek | 1972 | 58 | Poor |
| Watson Road over Trib Cattaraugus Creek | 1985 | 57 | Fair |
| Meyer Hill Road over East Otto Creek | 2013 | 55 | Good |
| Alderbottom Road over Conewango Creek | 1979 | 51 | Good |
| Forty Road over Trib S Br Catt CR | 1995 | 47 | Good |
| France Brook Road over France Brook | 1992 | 47 | Good |
| Morgan Hollow Rd over Morgan Hollow Crk | 1994 | 47 | Good |
| Morgan Hollow Rd. over Morgan Hollow Crk | 1979 | 47 | Fair |
| Earl Seaton Road over Cold Spring Creek | 1995 | 45 | Fair |
| Witt Road over Trib Clear Creek | 1981 | 43 | Poor |
| Woodworth Hollow over Little Valley Crk | 1986 | 42 | Fair |
| Gulf Road over Lit Conewango Crk | 1970 | 41 | Fair |
| Bozard Hill Road over Wrights Creek | 1938 | 40 | Fair |
| Bozard Hill Road over Wrights Creek | 1938 | 40 | Fair |
| Jones Road over Clear Creek | 1997 | 37 | Fair |
| Kruse Road over Beaver Meadows Ck | 1982 | 36 | Poor |
| Fancy Tract Road over Beaver Meadows Ck | 1992 | 35 | Good |
| Fancy Tract Road over Devereaux Branch | 1971 | 32 | Fair |
| Flatstone Road over Chipmunk Creek | 1993 | 32 | Good |
| Geiger Hollow Rd over Four Mile Creek | 1955 | 32 | Fair |
| Quackenbush Road over Great Valley Crk | 1993 | 32 | Good |
| Swamp Road over Lit Conewango Crk | 1963 | 29 | Fair |
| Wolf Run Road over Wolf Run Creek | 1966 | 28 | Good |
| Hotchkiss Holl Rd over Hotchkiss Run | 1988 | 26 | Poor |
| Hotchkiss Hollow R over Hotchkiss Run | 2016 | 26 | Good |
| Hotchkiss Hollow over Hotchkiss Run | 1977 | 26 | Fair |
| Camp Six Road over Quaker Run | 1968 | 24 | Good |
| Church Road over Five Mile Creek | 1983 | 23 | Fair |
| Lonkto Hollow Road over Bay State Brook | 1986 | 21 | Poor |
| Baxter Mill Road over Ischua Creek | 1893 | 18 | Poor |
| Skinner Hollow Rd over S Br Cattaraugus | 2008 | 18 | Good |
| Sunfish Road over Sunfish Run Creek | 1905 | 16 | Fair |
| Depot Street over Clear Creek | 1939 | 15 | Fair |
| Town Line Road over Little Valley Crk | 1973 | 11 | Fair |
| Camp Ten Road over Red House Brook | 1991 | 10 | Good |
| Whipple Road over Cold Spring Creek | 1976 | 10 | Fair |
| Marsh Road over Mud Creek | 2002 | 9 | Fair |
| Goodwins Landing over Conewango Dredge | 1995 | – | Good |
| Kaiser Road over Quaker Run | 1991 | – | Good |
| Kent Rd over Mansfield Creek | 1935 | – | Poor |
| Little Bone Run Ro over Little Bone Run | 2016 | – | Good |