I-75 NB over New Castle Waterway
Sarasota County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 NB over New Castle Waterway in Sarasota County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1981 and reconstructed in 2016, making it 44 years old at the 2025 inventory.
- It carries about 27,750 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 123 of the 299 inventoried bridges in Sarasota County rated fair (41.1%); 0 (0.0%) are rated poor.
- 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 → (27.08017, -82.10739)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 131 ft |
| Location | 3.4MI S of Toledo Blade |
| NBI structure number | 170138 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Sarasota County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 NB over Palmer Blvd. | 1979 | 139,000 | Good |
| I-75 (SR-93) over Mcfly Canal | 1981 | 139,000 | Good |
| I-75 (SR-93) SB over Main A Canal | 1979 | 127,000 | Good |
| I-75 (SR-93) NB over Main A Canal | 1979 | 127,000 | Good |
| I-75 SB over Palmer Blvd. | 1979 | 127,000 | Fair |
| I-75 NB (SR-93) over SR-72 (clark Road) | 1980 | 120,000 | Good |
All bridges nearby: Sarasota County, FL bridge conditions · every bridge in Sarasota County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.