US-41 (SR-45) NB over Big Slough
Sarasota County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-41 (SR-45) NB over Big Slough in Sarasota County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 19,750 vehicles a day (traffic count year 2025).
- 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.
- 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 March 2025, 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 → (27.04515, -82.24193)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 240 ft |
| Location | 1.4 Mi N/o Sumter Blvd |
| NBI structure number | 170074 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2025 |
| 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 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.