Quarter Staff Road over Trib to Little Patuxent
Howard County, Maryland · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Quarter Staff Road over Trib to Little Patuxent in Howard County, Maryland, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 325 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 16 of the 312 inventoried bridges in Howard County rated poor (5.1%); 16 (5.1%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (39.32641, -77.4613)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 35 ft |
| Location | 1000 NW of Martin Ln |
| NBI structure number | 200000HO0269030 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Howard County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 95 NB over Md 103 | 1968 | 193,331 | Fair |
| Is 95 SB over Md 103 | 1968 | 193,331 | Fair |
| Is 95 & Ramps 2 & over Hammond Branch | 1968 | 192,401 | Fair |
| Is 95 NB over CSX Transportation | 1970 | 187,920 | Fair |
| Is 95 SB over CSX Transportation | 1970 | 187,920 | Fair |
| Is 95 NB over Guilford Road | 1970 | 187,920 | Fair |
All bridges nearby: Howard County, MD bridge conditions · every bridge in Howard County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.