40TH St Mckinleydr over Busch Gardens Trams Tunn
Hillsborough County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 40TH St Mckinleydr over Busch Gardens Trams Tunn in Hillsborough County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2003, making it 22 years old at the 2025 inventory.
- It carries about 33,000 vehicles a day (traffic count year 2024).
- It is one of 576 of the 845 inventoried bridges in Hillsborough County rated good (68.2%); 3 (0.4%) are rated poor.
- 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 → (28.03454, -82.41631)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 65 ft |
| Location | 660FT N of E Busch Blvd |
| NBI structure number | 105631 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Hillsborough County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-275 (SR-93) over Hillsborough River | 1964 | 250,000 | Fair |
| I-275 NB (SR-93) over Hillsborough River | 1964 | 250,000 | Fair |
| I-4 WB over Palm Avenue | 1963 | 236,000 | Good |
| I-275 NB (SR-93) over Palm Avenue | 1963 | 236,000 | Fair |
| I-275 SB (SR-93) over Business Us-41(sr-685) | 1964 | 222,000 | Fair |
| I-275 NB over Cypress Street | 2015 | 210,000 | Good |
All bridges nearby: Hillsborough County, FL bridge conditions · every bridge in Hillsborough County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.