US 301 over Old Mill Stream Branch
Queen Anne's County, Maryland · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 301 over Old Mill Stream Branch in Queen Anne's County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1954 and reconstructed in 1965, making it 71 years old at the 2025 inventory.
- It carries about 17,367 vehicles a day (traffic count year 2009).
- Its listed owner is the state highway agency.
- It is one of 67 of the 88 inventoried bridges in Queen Anne's County rated fair (76.1%); 2 (2.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
- 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 → (39.02008, -76.03937)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 204 ft |
| Location | 0.89 Mile South of Md 304 |
| NBI structure number | 100000170015020 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Queen Anne's County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50/301 over Cox Creek | 1950 | 66,761 | Fair |
| US 50 EB/301 NB over Piney Creek | 1950 | 65,701 | Fair |
| US 50 WB/301 SB over Piney Creek | 1950 | 65,701 | Fair |
| US 50/301 over Kent Island Narrow | 1990 | 65,701 | Fair |
| US 50 WB over US 301 | 1950 | 49,600 | Fair |
| US 50 over Br of Wye River | 1951 | 45,841 | Fair |
All bridges nearby: Queen Anne's County, MD bridge conditions · every bridge in Queen Anne's County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.