Southard Av(cr 21) over Marsh Bog Brook
Fair Condition51 years old3,682 vehicles/day
Location
| State | New Jersey |
| County | Monmouth |
| Location | 1.08 Mi E Of CR 524 Alt |
| Carries | Southard Av(cr 21) |
| Crosses | Marsh Bog Brook |
| Coordinates | 40.19000, -74.17698 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 134.6 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 3,682 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 130HL63 |