River Road over Seneca Creek
Fair Condition67 years old3,284 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.5 Mi W Of Seneca Road |
| Carries | River Road |
| Crosses | Seneca Creek |
| Coordinates | 39.07905, -77.34058 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 126.0 ft (38.4 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 491.5 sq m |
| Main Spans | 3 |
| Year Built | 1959 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 3,284 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000M-0027010 |