Bridge conditions in Fairfax County, Virginia
752 inventoried bridges · 6 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Fairfax County tracks close to typical: 6 of its 752 inventoried bridges (0.8%) are rated poor, against a national rate of about 7%.
- 6 of the 752 bridges in Fairfax County, Virginia, are rated in poor condition (0.8%) in the 2025 National Bridge Inventory, as of .
- 401 bridges (53.3%) are rated good and 345 (45.9%) fair.
- The median Fairfax County bridge was built in 1993.
- The busiest poor-rated bridge is Chainbridge Rd Nbl over Leesburg Pike; Route 7 (built 1965), carrying about 27,000 vehicles a day.
Good 53.3% · Fair 45.9% · Poor 0.8% of 752 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Chainbridge Rd Nbl over Leesburg Pike; Route 7 | 1965 | 27,000 | Poor |
| WB Diaah over Hunter Mill Road | 1961 | 22,000 | Poor |
| Edsall Road over Interstate 395 | 1967 | 21,942 | Poor |
| Sleepy Hollow Road over Holmes Run | 1960 | 12,231 | Poor |
| Old Colchester Rd. over Pohick Creek | 1950 | 2,323 | Poor |
| Beach Mill Road over Tributary of Clarks Br. | 1983 | 1,425 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ramp Ok-e over I-95; Rmps Ok-s;f-s;h-s | 2000 | 281,966 | Good |
| Shirley Mem. Hiway over Accotink Creek | 1993 | 232,853 | Fair |
| Shirley Highway over Pohick Creek | 1994 | 232,853 | Fair |
| I-495 over NS Railway | 1961 | 227,699 | Fair |
| Capital Beltway over Rte 2652 (heming Ave) | 1961 | 227,699 | Fair |
| Nb-95; Hov & Sb-95 over Lorton Road & Route 642 | 1995 | 218,183 | Fair |
| I-95 SB Flyover over I-95 & Hov and Ramps | 2004 | 215,198 | Good |
| I-495 over Potomac River | 1963 | 214,940 | Fair |
| Shirley Mem. Hwy. over Back Lick Run | 1961 | 204,783 | Fair |
| 395 Hov over WB495 & Ramps | 2006 | 204,783 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Virginia: Virginia bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.