Loop Road over Slough
Collier County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Loop Road over Slough in Collier 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 1960, making it 65 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2016).
- It is one of 90 of the 367 inventoried bridges in Collier County rated fair (24.5%); 5 (1.4%) 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 April 2023, 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 → (25.76067, -80.85847)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 60 ft |
| Location | 2.1 Miles From Park Borde |
| NBI structure number | 5120033P0000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| 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 Collier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 SB (SR 93) over CR 896/PINE Ridge Rd | 1983 | 89,884 | Good |
| I-75 NB (SR 93) over CR 896/PINE Ridge Rd | 1983 | 89,884 | Good |
| I-75 SB (SR 93) over CR862(VANDERBILT Bch Rd) | 1983 | 89,884 | Good |
| I-75 NB (SR 93) over CR862(VANDERBILT Bch Rd) | 1983 | 89,884 | Good |
| CR 901 over Canal | 2017 | 63,000 | Good |
| US 41 SB (SR 45) over Cocohatchee River | 1970 | 59,000 | Fair |
All bridges nearby: Collier County, FL bridge conditions · every bridge in Collier County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.