NW 74th St. 31.1 over Sr821 Tpk
Good Condition17 years old6,400 vehicles/day
Location
| State | Florida |
| County | Miami-Dade |
| Location | At Tpke-nw 74th ST Inchg |
| Carries | NW 74th St. 31.1 |
| Crosses | Sr821 Tpk |
| Coordinates | 25.84023, -80.38696 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 424.9 ft (129.5 m) |
| Max Span | 145.0 ft (44.2 m) |
| Deck Width | 61.0 ft (18.6 m) |
| Deck Area | 2408.7 sq m |
| Main Spans | 3 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 6,400 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 9 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 870907 |