Thunder Hill Road over Trib. To Little Patuxent
Good Condition54 years old220 vehicles/day
Location
| State | Maryland |
| County | Howard |
| Location | 1/8 Mi S Of Md 108 |
| Carries | Thunder Hill Road |
| Crosses | Trib. To Little Patuxent |
| Coordinates | 39.37683, -77.38813 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 5 (Fair) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 4.9 ft (1.5 m) |
| Deck Area | 71.5 sq m |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 220 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000HO0275030 |