| SR 2071 over Toms Run | 1940 | 126 | Poor |
| SR 3035 (Allison M over Long Run | 2021 | 125 | Good |
| Milford Green Road over N Branch Bermudian Creek | 2019 | 119 | Good |
| Cross Mill Road over Trib. to Rambo Run | 1954 | 115 | Fair |
| SR 3019 over S Branch Codorus Creek | 1933 | 111 | Fair |
| Blymire Hollow Rd. over Blymire Creek | 1994 | 108 | Good |
| SR 2038 over Little Muddy Creek | 1914 | 107 | Poor |
| Water Street over N Br Muddy Creek | 1981 | 107 | Fair |
| Hull Drive over Bermudian Creek | 1896 | 101 | Poor |
| SR 2050 cent.farms over Carters Run | 1938 | 101 | Poor |
| Barrens Church Rd over North Br Bermudian Creek | 1988 | 100 | Fair |
| Bentz Mill Road over North Br Bermudian Creek | 1966 | 100 | Poor |
| Dellinger Sch Road over Beaver Creek | 1989 | 100 | Fair |
| Hambiltonian Way over Trib to Little Conewago | 1993 | 100 | Fair |
| Line Road T-442 over E Branch Corodus Ck | 2021 | 100 | Good |
| Myers Avenue over Fishing Creek | 1980 | 100 | Fair |
| Oak Hollow Road over Beaver Creek | 1989 | 100 | Fair |
| SR 2058 herbst rd. over T.n.br. Muddy | 1981 | 100 | Fair |
| Smyser Road over Cabin Creek | 1989 | 100 | Fair |
| T-537 Trout School over South Branch Rambo Run | 2005 | 100 | Fair |
| T-564 Sunset Road over Paradise Creek | 1973 | 100 | Fair |
| T-592 Watson Rd over Scott Creek | 2021 | 100 | Good |
| T-620 Gamble Road over Bald Eagle Creek | 1992 | 100 | Poor |
| T-658 Grove Road over North Branch Muddy Creek | 2004 | 100 | Fair |
| T-837 Eden Rd over Trib. to Codorus Creek | 2019 | 100 | Fair |
| Winters Road over Fishing Creek | 1996 | 100 | Fair |
| Fulton School Rd. over No Branch Muddy Creek | 1961 | 98 | Fair |
| SR 2044 over N Branch Muddy Creek | 1933 | 97 | Poor |
| Barrens Valley Rd over Tributary Bermudian CR | 1978 | 96 | Poor |
| Union Church Rd. over Trib. to Rambo Run | 1912 | 89 | Fair |
| Squire Gratz Road over Beaver Creek | 1960 | 88 | Fair |
| T377 Brown Rd. over West Branch Codorus CR. | 1955 | 86 | Fair |
| Bairs Mill Road over Kreutz creek | 2011 | 85 | Good |
| Bass Lake Road over Trib. to Fishing Creek | 1991 | 78 | Good |
| Kennedy Road over Toms Run | 1920 | 71 | Fair |
| T542; Hrebik Road over Deer Creek | 1959 | 69 | Fair |
| Church Avenue over N Br Muddy Creek | 1991 | 64 | Fair |
| Barrens Church Rd over Dead Creek | 1990 | 59 | Good |
| River Road over Mill Stream | 1963 | 59 | Fair |
| T-675(Huson Road) over North Branch of Muddy Cr | 2013 | 58 | Fair |
| T-770; Riddle Road over Kreutz Creek | 2000 | 58 | Fair |
| Shippensburg Road over Mud Run | 1966 | 56 | Fair |
| S.wharf Rd (T919) over Trib Stony Run | 2001 | 53 | Good |
| T-594 Booker Road over Trib Susquehana River | 1980 | 52 | Fair |
| Bamberger Road over Fishing Creek | 1960 | 50 | Fair |
| Kline Road over Otter Creek | 1997 | 50 | Fair |
| Meadow Road over Kreutz Creek | 1940 | 50 | Fair |
| Muddy Creek Road over South Branch Muddy Creek | 2022 | 50 | Good |
| T-848 Peiffer Road over Doe Run | 1930 | 50 | Poor |
| Whitetail Drive over Fishing Creek | 1988 | 50 | Good |
| Beaver Street over No Br of Muddy Creek | 1988 | 48 | Poor |
| Sileo Road over Stony Run | 2011 | 47 | Fair |
| Dairy Road over Trib to Conewago Creek | 1973 | 42 | Fair |
| T-800 Roland Rd over Red Run | 1983 | 42 | Poor |
| Lost Hollow Road over N. Br. Bermudian Creek | 1958 | 35 | Good |
| T548; Valley Road over Ebaughs Creek | 1954 | 33 | Fair |
| Grove Mill Rd. over So Branch of Muddy Creek | 1925 | 30 | Fair |
| Wheat Road over South Branch Muddy Creek | 1961 | 29 | Fair |
| T-629 Alum Rock Rd over Alum Rock Run | 1980 | 26 | Fair |
| T578 Blymire Rd over UNT to E Br. Codorus Crk | 2016 | 25 | Good |
| Grainery Road over So Branch Codorus Creek | 1916 | 21 | Fair |
| Muddy Creek Rd. over South Branch Muddy Creek | 1954 | 20 | Fair |
| Barrens Church Rd over Trib to Bermudian Creek | 2001 | 19 | Fair |
| T701 Cherry Street over UNT to E Br. Codorus Crk | 2015 | 17 | Good |
| T-502;club Farm Rd over Tributary Codorus Creek | 1940 | 15 | Poor |
| T-936; Beaver Lane over Stoney Run | 1950 | 9 | Fair |