New Design Road over Tuscarora Creek
Frederick County, Maryland · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- New Design Road over Tuscarora Creek in Frederick County, Maryland, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 125 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 196 of the 485 inventoried bridges in Frederick County rated good (40.4%); 14 (2.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.25176, -77.48042)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 22 ft |
| Location | 0.53 Mi S of Md Rte 28 |
| NBI structure number | 200000F-0106030 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Frederick County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 270 over MD 85 (Buckeystown Pike) | 2020 | 111,550 | Good |
| US 15 & Ramp 8 over Carroll Creek | 1958 | 95,190 | Fair |
| US 15 Nbr over US 40/W. Patrick Street | 1958 | 95,190 | Fair |
| US 15 Sbr over US 40/W. Patrick Street | 1958 | 95,190 | Fair |
| Is 70 Ebr over Md 180 | 1968 | 94,760 | Fair |
| Is 70 Wbr over Md 180 | 1968 | 94,760 | Fair |
All bridges nearby: Frederick County, MD bridge conditions · every bridge in Frederick County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.