Bridge conditions in Washington County, Maryland
300 inventoried bridges · 13 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Washington County tracks close to typical: 13 of its 300 inventoried bridges (4.3%) are rated poor, against a national rate of about 7%.
- 13 of the 300 bridges in Washington County, Maryland, are rated in poor condition (4.3%) in the 2025 National Bridge Inventory, as of .
- 85 bridges (28.3%) are rated good and 202 (67.3%) fair.
- The median Washington County bridge was built in 1965.
- The busiest poor-rated bridge is Is 70 EB over US 11 (built 1965), carrying about 62,680 vehicles a day.
Good 28.3% · Fair 67.3% · Poor 4.3% of 300 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 |
|---|---|---|---|
| Is 70 EB over US 11 | 1965 | 62,680 | Poor |
| Is 70 WB over US 11 | 1965 | 62,680 | Poor |
| Is 70 EB over Md 632 | 1966 | 62,680 | Poor |
| Is 70 WB over Md 632 | 1966 | 62,680 | Poor |
| Is 70 Ramp A over Beaver Creek | 1968 | 37,200 | Poor |
| Halfway Boulevard over Norfolk Southern Railroa | 1967 | 21,909 | Poor |
| US 522 over Potomac Riv CSX Trans. | 1937 | 10,550 | Poor |
| Dogstreet Road over Dog Creek | 1940 | 1,408 | Poor |
| Yarrowsburg Road over Israel Creek | 1940 | 687 | Poor |
| Roxbury Road over Beaver Creek | 1920 | 533 | Poor |
| Taylors Landing Ac over C&o Canal | 1969 | 530 | Poor |
| Snyders Landing Ac over C&o Canal | 1969 | 212 | Poor |
| Appletown Road over Tributary of Dog Creek | 1920 | 172 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 81 SB over CSX Trans. | 1964 | 93,204 | Fair |
| Is 70 EB over Beaver Creek | 1968 | 72,140 | Fair |
| Is 70 WB over Beaver Creek | 1966 | 72,140 | Fair |
| Is 70 EB over Crystal Falls Drive | 2024 | 70,975 | Good |
| Is 81 over Trib to Semple Run | 1965 | 68,040 | Fair |
| Is 81 NB over Maugansville Road | 1958 | 63,000 | Fair |
| Is 81 SB over Maugansville Road | 1958 | 63,000 | Fair |
| Is 81 NB over Norfolk Southern RR | 1958 | 63,000 | Fair |
| Is 81 SB over Norfolk Southern RR | 1958 | 63,000 | Fair |
| Is 70 EB over Antietam Creek | 1968 | 62,740 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Maryland: Maryland 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.