Bridge conditions in Collier County, Florida
367 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Collier County tracks close to typical: 5 of its 367 inventoried bridges (1.4%) are rated poor, against a national rate of about 7%.
- 5 of the 367 bridges in Collier County, Florida, are rated in poor condition (1.4%) in the 2025 National Bridge Inventory, as of .
- 272 bridges (74.1%) are rated good and 90 (24.5%) fair.
- The median Collier County bridge was built in 1986.
- The busiest poor-rated bridge is Blackmore Court over Clam Bay (built 1972), carrying about 1,100 vehicles a day.
Good 74.1% · Fair 24.5% · Poor 1.4% of 367 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Blackmore Court over Clam Bay | 1972 | 1,100 | Poor |
| Goldenrod Ave. over Smokehouse Bay | 1972 | 640 | Poor |
| Sandhill St. over Tidal Canal | 1986 | 620 | Poor |
| South Seas Court over Tidal Canal | 1986 | 550 | Poor |
| Caxambas Court over Roberts Bay | 1973 | 380 | Poor |
Busiest bridges in the 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 |
| US 41 NB (SR 45) over Cocohatchee River | 2001 | 59,000 | Fair |
| Immokalee Rd over Cocohatchee River | 1968 | 58,500 | Good |
| CR 846 over Drainage Canal | 1964 | 58,500 | Fair |
| CR 846 over Drainage Canal | 1994 | 58,500 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Florida: Florida bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.