Cox Road over Sewell Branch
Calvert County, Maryland · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cox Road over Sewell Branch in Calvert County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 1,670 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 18 of the 34 inventoried bridges in Calvert County rated fair (52.9%); 0 (0.0%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.60761, -76.58736)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Timber slab |
| Length | about 48 ft |
| Location | 0.5 Miles East of Md 2-4 |
| NBI structure number | 200000C-0007010 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Calvert 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 |
All bridges nearby: Calvert County, MD bridge conditions · every bridge in Calvert County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.