| I-66 over Molly Booth Run | 1970 | 34,901 | Fair |
| N Shenandoah Ave over N F Shen River & NS Rwy | 1941 | 31,222 | Good |
| Winchester Rd over Crooked Run | 1941 | 31,222 | Fair |
| I-81 Nbl over Water Plant Rd (rt 840) | 1965 | 30,782 | Fair |
| N Shen Ave-340/522 over S F Shen River & NS Rwy | 2016 | 29,273 | Good |
| I-81 Sbl over Water Plant Rd (rt 840) | 2023 | 25,185 | Good |
| Route 66 Ebl over Manassas Run & Rte. 647 | 1979 | 19,264 | Fair |
| Route 66 Ebl over Apple Mountain Rd | 1979 | 19,247 | Fair |
| Route 66 Wbl over Apple Mountain Rd | 1979 | 19,247 | Fair |
| Route 66 Ebl over Manassas Run | 1979 | 19,246 | Fair |
| Route 66 Ebl over Manassas Run & Rte. 647 | 1979 | 19,246 | Fair |
| Route 66 Wbl over Manassas Run | 1979 | 19,246 | Fair |
| Route 66 Wbl over Manassas Run & Rte 647 | 1979 | 19,246 | Fair |
| Route 66 Wbl over Manassas Run & Rte. 647 | 1979 | 19,246 | Fair |
| I-66 Ebl over Freezeland Rd (rt 638) | 1977 | 19,116 | Fair |
| I-66 Wbl over Freezeland Rd (rt 638) | 1977 | 18,999 | Fair |
| I-66 Ebl over Crooked Run | 1971 | 17,531 | Fair |
| I-66 Wbl over Crooked Run | 1971 | 17,370 | Fair |
| I-66 Wbl over Routes 522 & 340 | 1971 | 17,370 | Fair |
| I-66 Wbl over Happy Creek Rd (rt 624) | 1974 | 16,056 | Fair |
| I-66 Wbl over Marys Shady Ln (private) | 1974 | 16,056 | Fair |
| I-66 Wbl over NS Rwy Shen Rv & Ck Run | 1976 | 16,056 | Fair |
| I-66 Wbl over Trib Shenandoah River | 1974 | 16,056 | Good |
| I-66 Ebl over Happy Creek Rd (rt 624) | 1974 | 16,020 | Fair |
| I-66 Ebl over Marys Shady Ln (private) | 1974 | 16,020 | Fair |
| I-66 Ebl over NS Rwy Shen Rv & Ck Run | 1976 | 16,020 | Fair |
| I-66 Ebl over Routes 522 & 340 | 1971 | 16,020 | Fair |
| I-66 Ebl over Trib Shenandoah River | 1974 | 16,020 | Fair |
| South Street over Happy Creek | 1986 | 15,875 | Good |
| Apple Mountain Rd over Manassas Run | 1979 | 14,215 | Good |
| I-66 Wbl Ramp over I-66 Ebl Ramp & I-81 Nbl | 1964 | 11,568 | Fair |
| Commerce Avenue over Happy Creek | 1965 | 10,501 | Fair |
| 6TH Street over Happy Creek | 1979 | 8,522 | Fair |
| Happy Creek Road over Leach Run | 2006 | 7,825 | Good |
| Stonewall Jackson over Flint Run | 1936 | 6,915 | Fair |
| Stonewall Jackson over Gooney Creek &private Rd | 2015 | 6,915 | Good |
| Rivermont Dr over S F Shen River & NS Rwy | 1967 | 5,994 | Fair |
| Strasburg Rd over NS Railway | 1993 | 4,761 | Fair |
| Strasburg Rd over Passage Creek | 1994 | 4,761 | Good |
| Strasburg Rd over Tributary Passage Creek | 1994 | 4,761 | Good |
| Criser Road over Happy Creek | 2018 | 4,730 | Good |
| Morgan Ford Rd over Manassas Run | 1974 | 3,741 | Good |
| Stonewall Drive over Happy Creek | 1965 | 3,500 | Fair |
| Shenandoah Shores over I-66 Ebl | 1974 | 3,142 | Fair |
| Shenandoah Shores over I-66 Wbl | 1974 | 3,142 | Fair |
| Dismal Hollow Rd over Manassas Run | 1932 | 3,007 | Good |
| Reliance Rd over Crooked Run | 1948 | 2,819 | Fair |
| Dismal Hollow Rd over Manassas Run | 1974 | 2,504 | Fair |
| E Main St over Happy Creek | 1965 | 2,279 | Fair |
| Reliance Rd over West Run | 1948 | 2,010 | Fair |
| Happy Creek Road over Happy Creek | 1992 | 1,844 | Good |
| Howellsville Rd over Venus Branch | 1976 | 1,812 | Good |
| Morgan Ford Rd over Shenandoah River | 2018 | 1,785 | Good |
| 8TH Street over Happy Creek | 1965 | 1,750 | Poor |
| Mountain Rd over Passage Creek | 1976 | 1,173 | Good |
| Browntown Rd over Lands Run | 1932 | 1,013 | Fair |
| Browntown Rd over Smith Creek | 1920 | 1,013 | Fair |
| Ritenour Hollow Rd over West Run | 2009 | 920 | Good |
| Prospect Street over Happy Creek | 1937 | 900 | Fair |
| Ritenour Hollow Rd over I-66 | 1969 | 651 | Fair |
| Fiery Run Rd over NS Railway | 1997 | 611 | Fair |
| North River Rd over I-66 | 1971 | 603 | Fair |
| Limeton Main St over Flint Run | 1984 | 536 | Good |
| Harmony Hollow Rd over Sloan Creek | 1984 | 510 | Good |
| Milldale Rd over Bordens Marsh | 1980 | 396 | Fair |
| Indian Hollow Rd over S F Shenandoah River | 2014 | 362 | Good |
| Indian Hollow Road over Spur Sf Shenandoah River | 2014 | 362 | Good |
| Refuge Church Rd over Crooked Run | 1966 | 347 | Good |
| Refuge Church Rd over Stephens Run | 1966 | 347 | Good |
| Bentonville Rd over Gooney Creek | 1918 | 281 | Fair |
| Bentonville Rd over Greasy Run | 1918 | 281 | Good |
| Long Meadow Rd over Molly Booth Run | 1976 | 272 | Fair |
| Harmony Hollow Rd over Happy Creek | 1997 | 270 | Good |
| Old Oak Lane over Rock Spring Branch | 2024 | 264 | Good |
| Old Oak Lane over Venus Branch | 2024 | 264 | Good |
| Old Oak Lane over Venus Branch | 2024 | 264 | Good |
| Thompson Hollow Rd over Flint Run | 1992 | 262 | Good |
| Harmony Orchard Rd over Happy Creek | 1994 | 261 | Good |
| Buck Mountain Rd over Gooney Creek | 1995 | 216 | Good |
| Sulphur Springs Rd over I-66 | 1971 | 142 | Fair |
| Bowmans Mill Rd over Cedar Creek | 1928 | 117 | Fair |
| Westminster Drive over Trib. Leach Run | 1995 | 100 | Fair |
| Gore Rd over Manassas Run | 1979 | 92 | Good |
| Bucks Mill Rd over Passage Creek | 1932 | 43 | Fair |