Md 41 over Trib to Herring Run
Baltimore County, Maryland · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Md 41 over Trib to Herring Run in Baltimore 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 1963, making it 62 years old at the 2025 inventory.
- It carries about 29,990 vehicles a day (traffic count year 2009).
- Its listed owner is the state highway agency.
- It is one of 528 of the 786 inventoried bridges in Baltimore County rated fair (67.2%); 22 (2.8%) 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.
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 58 ft |
| Location | 0.14 M N of Balto City |
| NBI structure number | 100000030219020 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.
Busiest bridges in Baltimore County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 83/IS 695 over Thornton Road | 1954 | 222,500 | Fair |
| Is 695 over Md 26 | 2012 | 210,600 | Good |
| Is 695 & Belmont A over Dead Run | 1961 | 206,852 | Fair |
| Is 695 over Mta Light Rail | 1955 | 205,485 | Fair |
| Is 695 over Security Boulevard | 1961 | 203,902 | Good |
| Is 695 over Dogwood Road | 1961 | 203,902 | Fair |
All bridges nearby: Baltimore County, MD bridge conditions · every bridge in Baltimore County · Maryland bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.