Bridge conditions in Calvert County, Maryland
34 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Calvert County is one of the counties with a clean sheet: 34 bridges on the federal inventory and not one rated poor. 18 carry a fair rating, which means wear worth watching but no structural deficiency.
- 0 of the 34 bridges in Calvert County, Maryland, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 16 bridges (47.1%) are rated good and 18 (52.9%) fair.
- The median Calvert County bridge was built in 1994.
Good 47.1% · Fair 52.9% · Poor 0.0% of 34 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Md 2 SB over Hunting Creek | 1992 | 46,798 | Fair |
| Md 4 SB over Lyons Creek | 1959 | 46,661 | Fair |
| Md 4 NB over Lyons Creek | 1987 | 46,661 | Fair |
| Md 4 Nbr over Hall Creek | 1966 | 35,171 | Fair |
| Md 4 over Patuxent River & Town CR | 1977 | 28,338 | Fair |
| Md 2 & 4 over Quaker Swamp | 1987 | 27,798 | Good |
| Md 2 & 4 over Johns Creek | 1987 | 26,941 | Fair |
| Md 2 NB over Hunting Creek | 1969 | 18,785 | Fair |
| Md 261 over Fishing Creek | 2019 | 18,067 | Good |
| Md 4 SB over Hall Creek | 1929 | 16,982 | 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.