Harbor Drive over Boca Grande Canal
Lee County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Harbor Drive over Boca Grande Canal in Lee County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 4,710 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 293 of the 391 inventoried bridges in Lee County rated good (74.9%); 2 (0.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (26.74943, -82.25661)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 41 ft |
| Location | 0.1 Mi South of 4TH St |
| NBI structure number | 124027 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Lee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 (SR-93) over Corkscrew Canal | 1979 | 112,000 | Fair |
| I-75 over Hicks Crossing Canal | 1979 | 112,000 | Good |
| I-75 over Imperial River Relief | 1979 | 108,000 | Fair |
| I-75 SB (SR-93) over Caloosahatchee River | 1976 | 94,500 | Good |
| I-75 NB (SR-93) over Caloosahatchee River | 1976 | 94,500 | Fair |
| SR-884ColonialBlvd over Ten Mile Canal | 1976 | 70,000 | Fair |
All bridges nearby: Lee County, FL bridge conditions · every bridge in Lee County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.