Cr121a (middle Rd) over Little St. Marys River
Fair Condition57 years old600 vehicles/day
Location
| State | Florida |
| County | Nassau |
| Location | 0.6 Mi North Of CR 108 |
| Carries | Cr121a (middle Rd) |
| Crosses | Little St. Marys River |
| Coordinates | 30.70333, -81.81167 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 181.4 ft (55.3 m) |
| Max Span | 30.5 ft (9.3 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 492.2 sq m |
| Main Spans | 6 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 600 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 740042 |