| 81 over Br. N Fork Roanoke River | 1968 | 53,173 | Fair |
| RTE 0460/By-Pass over Va Tech Pvt Rd | 1994 | 40,932 | Good |
| 460 Ramp A over 460 Ramps C & D | 2003 | 37,000 | Good |
| Rte. 460/BY-PASS over Smithfield Road | 1994 | 36,455 | Fair |
| 81 Nbl over 11/460 Roanoke Rd | 2001 | 27,266 | Good |
| Nbl Route 0081 over NS Railway & Rte 641 | 1970 | 27,266 | Fair |
| Sbl Route 0081 over NS Railway & Roanoke Rv | 1970 | 26,097 | Fair |
| 81 Sbl over Br. N Fork Roanoke River | 1968 | 25,907 | Fair |
| SBL Rte 81 over NS Rwy; Den Hill Rd/641 | 2012 | 25,907 | Good |
| I-81 Nbl over Route 8 | 2020 | 25,621 | Good |
| I81 Nbl over Rte. 460 | 2001 | 25,621 | Fair |
| Nbl Route 0081 over NS Railway & Roanoke Rv | 1970 | 25,324 | Fair |
| 81 Sbl over 11/460 Roanoke Rd | 2001 | 25,152 | Good |
| I-81 Sbl over Route 8 | 2019 | 25,152 | Good |
| I81 Sbl over Rte. 460 | 2001 | 25,152 | Fair |
| Route 0460 over N Frnk St O Crab Ck & NS | 1978 | 24,763 | Fair |
| Route 0460 over Towne Branch | 1955 | 24,763 | Fair |
| Prices;fk-rd-rt412 over Rte 460 & Bp | 1979 | 23,527 | Fair |
| S. Main ST./460 over Rte. 460 By-pass | 2001 | 22,896 | Fair |
| Sbl Route 0081 over New Rv; NS Rwy & RT605 | 1965 | 22,420 | Fair |
| 460 Ebl Bypass over Ramp C_460 Business Wbl | 2002 | 21,015 | Good |
| WBL Rte 460 ByPass over Ramp C 460 W Bus | 2002 | 21,015 | Good |
| 460 EBL [By-Pass] over Yellow Sulphur Rd/Rt643 | 2002 | 20,466 | Good |
| 460 Ebl over RTE. 642/ Jennelle Rd. | 2002 | 20,466 | Fair |
| 460 by-pass over Ramp E | 2002 | 20,466 | Good |
| Rt 460 WBL[ByPass] over Yellow Sulphur Rd/Rt 643 | 2002 | 20,466 | Good |
| Wbl Rte. 460 over Jennelle RD./RT642 | 2002 | 20,466 | Fair |
| NBL Route 81 over New River & RT605 | 2022 | 20,204 | Good |
| Price Fork Road over Stroubles Ck | 1979 | 19,381 | Fair |
| Ebl Route 0460 over NS Railway | 1969 | 18,431 | Fair |
| Ebl Route 0460 over Rte 723 | 1969 | 18,431 | Fair |
| Rte. 460 Ebl over Rte. 11/460 Business | 2000 | 18,431 | Good |
| Rte. 460 Wbl over Rte. 11/460 Business | 2000 | 18,431 | Good |
| Wbl Route 0460 over NS Railway | 1969 | 18,431 | Fair |
| Wbl Route 0460 over Rte 723 | 1969 | 18,431 | Fair |
| Peppers Ferry/114 over NS Railway | 1990 | 15,692 | Good |
| Route 114 over New River | 1990 | 15,692 | Fair |
| Peppers Frry RD114 over Rte. 460 Bypass | 2003 | 14,035 | Good |
| Main Street over Stroubles Ck | 1974 | 13,792 | Fair |
| 460Bus WBL Flyover over Ramp A_460 BP to 460 Bus | 2002 | 12,000 | Good |
| Ramp I over Rte. 460 Bypass | 2001 | 11,648 | Good |
| Ramp M and Ramp P over Rte. 460 Bypass | 2001 | 11,648 | Good |
| Route 0011 over Roanoke St O Walnut Br | 1942 | 10,927 | Fair |
| Roanoke Road / 11 over Spring Branch | 1932 | 8,759 | Fair |
| Roanoke Rd/460 over Brake Branch | 1950 | 8,687 | Good |
| Radford Rd.[RT 11] over Plum Creek | 1925 | 8,591 | Good |
| Radford Rd/Rte.11 over Plum Creek | 1932 | 8,377 | Fair |
| Rte. 114 Wbl over NS Railway | 2013 | 7,846 | Good |
| Rte. 114 Wbl over New River Peppers Ferry | 2013 | 7,846 | Good |
| RINER RD./Rt. 8 over Little River & Rte 716 @ | 1984 | 7,513 | Fair |
| Toms Crk Rd Rt 650 over 460 By-Pass | 2007 | 6,208 | Good |
| Nbl Route 177 over Rte I 81 | 1965 | 6,010 | Fair |
| Sbl Route 0177 over Rte I 81 | 1965 | 6,010 | Fair |
| Ramp A over Ramp I | 2000 | 6,000 | Good |
| Route 0111 over Crab Creek | 2005 | 5,879 | Good |
| Nbl COLLECTOR/I81 over Rte. 460_BYPASS | 1999 | 5,841 | Fair |
| Radford Rd./rt 11 over Plum Creek | 1988 | 5,399 | Good |
| Route 0685 over Stroubles Creek | 1975 | 5,256 | Fair |
| Route 0111 over Walnut Branch | 1936 | 5,240 | Poor |
| South Franklin St over Rte I-81 | 1964 | 5,135 | Fair |
| 11 NBL_(460EBL) over NS Railway | 1997 | 4,894 | Good |
| NBL Rte. 460 over S. Fork Roanoke River | 1950 | 4,894 | Fair |
| Nbl Route 0011 over S Fork Roanoke River | 1981 | 4,894 | Fair |
| RT11SBL; 460WBL over N&W Railway | 1951 | 4,894 | Fair |
| Roanoke RD/460 Wbl over S Fork Roanoke River | 1950 | 4,894 | Fair |
| Roanoke Rd/460 WBL over South Fork Roanoke River | 1950 | 4,894 | Fair |
| Glade Rd. over Rte 460 Bp | 1970 | 4,687 | Fair |
| Southgate Dr Nbl over Route 460 | 2017 | 4,600 | Good |
| Southgate Dr Sbl over Route 460 | 2017 | 4,600 | Good |
| Roanoke Road / 11 over Spring Branch | 1932 | 4,379 | Good |
| Roanoke Road / 11 over Spring Branch | 1932 | 4,379 | Fair |
| Roanoke Road / 11 over Spring Branch | 1932 | 4,379 | Good |
| Rke Rd & 460WBL over S Fork Roanoke River | 1926 | 4,343 | Fair |
| Roanoke Rd/ebl-460 over S Fork Roanoke River | 1952 | 4,343 | Fair |
| 460 Wbl Flyover over 460 Ramp C & Ramp D | 2003 | 4,148 | Good |
| SB Collector/i-81 over Rte. 11/460 | 1999 | 3,983 | Good |
| Nbl Collector/i-81 over Rte. 11 (460) | 1999 | 3,824 | Good |
| Merrimac Road /657 over Slate Creek | 1932 | 3,611 | Good |
| Meadow Crk Rd 658 over Branch of Meadow Creek | 1932 | 3,442 | Fair |
| Meadow Crk Rd 658 over Branch of Meadow Creek | 1932 | 3,442 | Good |
| Pilot Rd 615 over Elliott Creek | 1957 | 2,996 | Fair |
| Pilot Rd. 615 over Smith Creek | 1932 | 2,996 | Fair |
| Pilot Road 615 over Branch of Elliott Creek | 1932 | 2,996 | Good |
| Pilot Road 615 over Branch of Elliott Creek | 1956 | 2,996 | Fair |
| Childress Road/693 over Mill Branch | 1965 | 2,764 | Fair |
| Tyler Road / 600 over Meadow Creek | 1965 | 2,320 | Fair |
| Ramp B/460 By-pass over Rte. 460 By-pass | 2003 | 2,100 | Good |
| North Fork RD/603 over Rte I 81 | 1970 | 2,096 | Fair |
| Little R Dam Rd605 over Little River | 1969 | 2,077 | Fair |
| North Fork Rd./603 over N Fork Roanoke River | 1970 | 2,072 | Good |
| Ramp B over Ramp G | 2000 | 2,019 | Good |
| Mill Lane over Towne Branch | 2009 | 2,002 | Good |
| Ramp P over Ramp E & Rt 460 Bus | 2002 | 2,000 | Good |
| Aleghany SP.RD/637 over Spring Branch | 1962 | 1,927 | Fair |
| Rte 232 Ramps A&B over Rte. I-81 | 2019 | 1,799 | Good |
| North Fork Road over Pedlar Creek | 2015 | 1,573 | Good |
| Den Hill Rd / 603 over Cedar Run | 2007 | 1,548 | Good |
| Den Hill Road 603 over Cedar Run | 1986 | 1,548 | Good |
| Glade Road over Toms Creek | 1977 | 1,461 | Fair |
| Mccoy RD./652 over Toms Creek | 1965 | 1,456 | Fair |
| Aleghany Sp.Rd/637 over Calhoun Run | 1932 | 1,320 | Fair |
| Alghny Sprg RD/637 over S Fork Roanoke River | 1975 | 1,320 | Fair |
| AllgnySpringsRd637 over Stradletons Branch | 2012 | 1,203 | Good |
| Smith Creek Rd/675 over Smith Creek | 1993 | 1,203 | Good |
| Smith Creek Rd/675 over Smith Creek | 1993 | 1,203 | Good |
| Smith Creek Rd/675 over Smith Creek | 1993 | 1,203 | Good |
| SB Collector RD/81 over Rte. 460_BYPASS | 1999 | 1,200 | Fair |
| Progress Street over Walking Trail | 2013 | 1,145 | Good |
| Union Valley R 669 over Elliott Creek | 1932 | 1,121 | Fair |
| Clubhouse Dr 1250 over N F Roa River Overflow | 1994 | 1,115 | Good |
| Clubhouse Dr 1250 over N. Fork Roanoke River | 1979 | 1,115 | Fair |
| Industrial Park Dr over Ramp F | 2001 | 1,000 | Good |
| Ramp A over Rte. 460 ByPass & Ramp F | 2002 | 1,000 | Fair |
| North Fork Rd 603 over North Fork Roanoke River | 1968 | 989 | Fair |
| Old Pike Rd over Brush Creek | 2022 | 933 | Good |
| Switchback RD./719 over Crab Creek | 1932 | 781 | Fair |
| Ellett Rd / 723 over Mill Branch | 1932 | 761 | Fair |
| Brake Road / 631 over Brake Branch | 1932 | 759 | Fair |
| E. Mont. Lane 9257 over Br S.F. Roanoke River | 2010 | 759 | Good |
| North Fork Rd / Rt over Craig Branch | 2020 | 725 | Good |
| Walton Road/663 over Crab Creek | 1932 | 713 | Poor |
| Bradshaw Rd./629 over Bradshaw Creek | 1921 | 656 | Poor |
| Bradshaw Road/ 629 over Bradshaw Creek | 1932 | 656 | Fair |
| Catawba Road / 785 over Mill Creek | 1932 | 629 | Fair |
| Shadowlake Rd. over Toms Creek | 1991 | 568 | Good |
| Aleghny Spr Rd/637 over Goose Creek | 1965 | 560 | Fair |
| Alleghany Sp.Rd637 over Br. S.F. Roanoke River | 1988 | 560 | Fair |
| Allghny Spg RD/637 over S Fork Roanoke River | 1975 | 560 | Fair |
| Mt. Zion Rd./655 over Toms Creek | 1973 | 536 | Fair |
| Mt. Zion Road/655 over Toms Creek | 1932 | 536 | Fair |
| LaurelRdgMilRd/617 over Brush Creek | 1987 | 455 | Fair |
| Rte. 781 over Lick Creek | 2014 | 451 | Good |
| Plank Drive 1252 over North Fork Roanoke River | 1997 | 439 | Good |
| Seneca Hollow Rd over SF Roanoke River | 2022 | 430 | Good |
| Happy HollowRd/815 over Indian Run | 1989 | 429 | Fair |
| Yellow Sulp RD/643 over Rte 460 By Pass | 1969 | 425 | Fair |
| Oldtown Road 753 over Spring Branch | 1932 | 407 | Fair |
| Bradshaw Rd/622 over Bradshaw Creek | 1971 | 404 | Fair |
| Unnamed Road over New River | 1943 | 400 | Fair |
| Graysontown RD/613 over Little River | 1978 | 352 | Fair |
| ShawsvilePikeRd653 over Goose Creek | 1965 | 349 | Fair |
| Mt Pleasant Rd-639 over Elliot Creek | 2019 | 326 | Good |
| Mt. Pleasant Rd639 over S. Fork Roanoke River | 1932 | 326 | Fair |
| Catawba Road / 785 over North Fork Roanoke River | 1976 | 321 | Good |
| Eaglebrook Rd/1330 over Branch Smith Creek | 1981 | 316 | Poor |
| Eaglebrook Rd/1330 over Smith Creek | 1981 | 316 | Poor |
| Blue Springs Road over Little River | 2013 | 307 | Good |
| Cannery Rd/RT 773 over Roanoke River @Lafayett | 2015 | 301 | Good |
| WHITETHORNERD/623 over Toms Creek | 1988 | 292 | Fair |
| Friendship Rd.636 over Rte. I 81 | 2012 | 280 | Good |
| Mt Zion Rd./Rt 655 over Branch of Toms Creek | 1932 | 280 | Good |
| Mt. Zion Rd/Rt 655 over Toms Creek | 1973 | 280 | Good |
| Seneca Hollow 636 over Rte. I-81 | 2012 | 260 | Good |
| Craig Creek Rd/621 over Craig Creek | 1994 | 255 | Good |
| CraigCreekRd/621 over Craig Creek | 1998 | 255 | Good |
| BrushCrRd/Rte 617 over Brush Creek | 1964 | 231 | Fair |
| Seneca Hollow Rd over N Fork Roanoke River | 1990 | 230 | Good |
| Nolley Rd / 679 over Elliott Creek | 1932 | 202 | Fair |
| Nolley Road / 679 over Elliott Creek | 1932 | 202 | Fair |
| Nolley Road 679 over Elliott Creek | 1978 | 202 | Fair |
| Boners Run RD./609 over S. Fork Roanoke River | 1932 | 176 | Good |
| Boners Run Rd. 609 over Spring Branch | 1956 | 176 | Fair |
| Coles Road / 741 over Brake Branch | 1991 | 155 | Good |
| Stone Keep La/813 over Roanoke River @ Kumis | 1924 | 153 | Fair |
| Georges Run Rd/638 over S Fork Roanoke River | 2003 | 144 | Good |
| Dry Valley RD/787 over Rte I 81 | 1965 | 141 | Fair |
| Dry Valley Rd./787 over Meadow Creek | 1954 | 141 | Good |
| Dry Valley Rd./787 over Meadow Creek | 1956 | 141 | Fair |
| Dry Valley Rd./787 over Meadow Creek | 1954 | 141 | Good |
| Big Spring Dr 745 over Brake Branch | 1926 | 131 | Fair |
| Old Creek Road/684 over Toms Creek | 2004 | 119 | Fair |
| Jewell Drive / 637 over Bottom Creek | 1965 | 113 | Fair |
| Coal Hollow RD/705 over Slate Branch | 1932 | 108 | Fair |
| Coal Hollow Rd/705 over Stroubles Creek | 1932 | 108 | Fair |
| Smart Highway WBL over 642 | 1999 | 100 | Good |
| Smart Highway WBL over Norfolk Southern RR | 1999 | 100 | Good |
| Smart Highway WBL over Rte 723 Wilson Creek | 2001 | 100 | Good |
| Craig Mtn. Rd./674 over Elliott Creek | 1932 | 97 | Fair |
| Jewell Drive / 637 over Branch of Bottom Creek | 1932 | 93 | Fair |
| Fishers View / 609 over South Fork Roanoke RIver | 1985 | 90 | Good |
| Chrisman Mill over Crab Creek | 1985 | 89 | Fair |
| Perimeter Road over Stroubles Creek | 1945 | 80 | Fair |
| Unnamed Road over Stroubles Creek | 1945 | 80 | Fair |
| Unnamed Road over Stroubles Creek | 1945 | 80 | Fair |
| Poff School Rd/601 over Brush Creek | 1986 | 77 | Fair |
| BrushCreekRd 617 over Brush Creek | 1965 | 70 | Fair |
| Poverty Crk Rd 725 over Poverty Creek | 1932 | 63 | Good |
| Poverty Crk Rd/725 over Toms Creek | 2008 | 63 | Fair |
| DobbinsHollowRd616 over Brush Creek | 1932 | 57 | Good |
| Taylor Hlow Rd 712 over N Fork Rke River | 1932 | 55 | Good |
| Peppers Run Rd 747 over North Fork Roanoke River | 1993 | 43 | Good |
| Lavender Road/ 722 over Elliott Creek | 2006 | 40 | Fair |
| Patterson Dr 669 over Bottom Creek | 1967 | 40 | Fair |
| Persimmon Rd. /755 over South Fork Roa River | 1992 | 36 | Fair |
| Brush Crk Rd 617 over Brush Creek | 1929 | 35 | Fair |
| HuckleberryRd/1218 over Slate Branch | 1992 | 30 | Good |