Service Road over Drainage Channel (tidal)
Hillsborough County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Service Road over Drainage Channel (tidal) in Hillsborough County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2024).
- It is one of 266 of the 845 inventoried bridges in Hillsborough County rated fair (31.5%); 3 (0.4%) 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 January 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (27.8235, -82.48214)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 35 ft |
| Location | 0.25 Miles East of Marina |
| NBI structure number | AFFLNVZR00001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.