Md 28 EB over Rock Creek
Fair Condition56 years old23,866 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.31 M E Of Avery Road |
| Carries | Md 28 EB |
| Crosses | Rock Creek |
| Coordinates | 39.09420, -77.11692 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 319.9 ft (97.5 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 1072.5 sq m |
| Main Spans | 4 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 23,866 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000150092013 |