Scour-Critical Bridges in Florida

Florida has 343 bridges rated scour-critical by the Federal Highway Administration. These bridges have foundations that are unstable or at risk of undermining during flood events. Scour-critical doesn't mean a bridge is about to collapse — it means extra monitoring and countermeasures are in place — but these structures are priorities for repair or replacement.

How this ranking works

This state list filters to NBI scour ratings 0 through 3, then sorts by average daily traffic. It is intended to show flood-vulnerability exposure, not to label any bridge as currently unsafe.

Bridge	County	Scour Rating	Daily Traffic	Condition
I-295(9A) Dames Pt over St.johns Riv.& Mill Cove	Duval	3 — Serious	84,321	Fair
Daniels PKWY WB over Six Mile Cypress Creek	Lee	3 — Serious	57,000	Good
Daniels PKWY WB over Six Mile Creek	Lee	3 — Serious	55,000	Good
Cr-884 (veterans) over Heddon Canal	Lee	3 — Serious	55,000	Good
Us-1 (sr-5) over Dania Cut-off Canal	Broward	3 — Serious	53,000	Fair
Sr-64 over Braden River East Branch	Manatee	3 — Serious	49,500	Good
Cr-694 over Cross Bayou	Pinellas	3 — Serious	49,500	Fair
I-95 SB (sr-9) over Nassau River	Duval	3 — Serious	45,000	Poor
I-95 NB (sr-9) over Nassau River	Duval	3 — Serious	45,000	Poor
Sr-811 (alt A-1-a) over Loxahatchee River	Palm Beach	3 — Serious	42,000	Fair
Bus Us-41 (sr-45) over Manatee River	Manatee	3 — Serious	41,000	Fair
Comp Sr-112 over Indian Creek Canal	Miami-Dade	3 — Serious	41,000	Poor
Del Prado Blvd. over Melaga Canal	Lee	3 — Serious	40,500	Good
Del Prado BLVD over Plato Canal	Lee	3 — Serious	40,500	Good
Little Road over Bear Creek	Pasco	3 — Serious	40,500	Good
Fletcher Avenue over Hillsborough River	Hillsborough	3 — Serious	38,500	Fair
College Parkway EB over Caloosahatchee River	Lee	3 — Serious	37,960	Good
College Parkway WB over Caloosahatchee River	Lee	3 — Serious	37,957	Fair
Sr-228 (hart Bdg.) over St. Johns River/highland	Duval	3 — Serious	37,000	Fair
I-295 SB (sr-9a) over Ortega River	Duval	3 — Serious	36,750	Fair
I-295 NB (sr-9a) over Ortega River	Duval	3 — Serious	36,750	Fair
Memorial Highway over Sweetwater Creek	Hillsborough	3 — Serious	35,300	Fair
CR 220 over Little Black Creek	Clay	3 — Serious	34,500	Poor
Rickenbacker Cswy over Intracoastal Waterway	Miami-Dade	3 — Serious	33,007	Fair
Sr-202 WB (jtb) over Intracoastal Waterway	Duval	3 — Serious	32,250	Fair
Sr-115 over Trout River	Duval	3 — Serious	30,500	Fair
Rickenbacker C. WB over Biscayne Bay	Miami-Dade	3 — Serious	30,500	Fair
Us-41 (sr-45) over Whitaker Bayou	Sarasota	3 — Serious	30,500	Good
Bee Ridge Road over Phillippi Creek	Sarasota	3 — Serious	30,500	Good
Sr-10 (atlantic) over Big Pottsburg Creek	Duval	3 — Serious	28,000	Fair
Andrews AVE over C-13 Canal	Broward	3 — Serious	26,260	Fair
Us-1 (sr-5) SB over Howard Creek	St. Lucie	3 — Serious	26,250	Good
NW 32nd Avenue over Little River Canal (c-7)	Miami-Dade	3 — Serious	25,364	Fair
Veterans Memorial over Aires Canal	Lee	3 — Serious	25,000	Good
Sr-13 NB over Goodbys Lake	Duval	3 — Serious	23,750	Fair
NE 96th Street over Bay Harbor Waterway	Miami-Dade	3 — Serious	23,500	Poor
Kane Concourse over Indian Creek	Miami-Dade	3 — Serious	23,500	Poor
New Griffin Rd. over Dania Cut-off Canal	Broward	3 — Serious	23,000	Fair
Us-1 over Reed Canal	Volusia	3 — Serious	23,000	Fair
SE 3rd AVE over New River & New Rvr Drs	Broward	3 — Serious	22,500	Fair
SR 656 (17th St.) over Intracoastal Waterway	Indian River	3 — Serious	22,000	Fair
Cr77-seven Spg Bvd over Anclote River	Pasco	3 — Serious	22,000	Fair
Us-1 (sr-5) over Intracoastal Waterway	Palm Beach	3 — Serious	21,500	Fair
Cr-1 over Curlew Creek	Pinellas	3 — Serious	21,500	Good
SW 312th Street over Canal C-103	Miami-Dade	3 — Serious	20,850	Good
South Andrews Ave. over New River & New River DR	Broward	3 — Serious	20,500	Good
Neptune RD over St. Cloud Canal C-31	Osceola	3 — Serious	19,300	Fair
63rd AVE E over Bowlees Creek	Manatee	3 — Serious	19,100	Good
SW 152nd Street over Canal 100-a	Miami-Dade	3 — Serious	18,758	Poor
Taylor RD over Sweetwater Branch	Volusia	3 — Serious	18,500	Good
14 Street Causeway over Intracoastal Waterway	Broward	3 — Serious	17,900	Fair
17th Street over Canal Main B	Sarasota	3 — Serious	17,800	Good
17th ST over Branch Canal Bayou	Sarasota	3 — Serious	17,800	Good
Us-41 (sr-45) NB over Myakka River	Sarasota	3 — Serious	17,750	Good
Us-41 (sr-45) SB over Myakka River	Sarasota	3 — Serious	17,750	Fair
Us-41 (sr-45) NB over Salt Creek	Sarasota	3 — Serious	17,750	Fair
Us-41 (sr-45) SB over Salt Creek	Sarasota	3 — Serious	17,750	Fair
SW 7th AVE over New River And 5th AVE	Broward	3 — Serious	17,600	Fair
NW 22nd Avenue over Biscayne Canal C-8	Miami-Dade	3 — Serious	17,200	Fair
Collins Road over Ortega River	Duval	3 — Serious	17,100	Fair
SW 97th Avenue over West Brook Canal	Miami-Dade	3 — Serious	17,000	Good
Us-41 (sr-45) SB over South Creek	Sarasota	3 — Serious	17,000	Fair
Sr-758 over Sarasota Bay	Sarasota	3 — Serious	16,800	Fair
Sr-103 (lane Ave.) over Cedar River	Duval	3 — Serious	16,600	Good
Park Shore DR over Mooring Bay	Collier	3 — Serious	16,500	Good
Proctor Rd. over Phillippi Creek	Sarasota	3 — Serious	16,200	Good
Atlantic Avenue over Intracoastal Waterway	Palm Beach	3 — Serious	16,000	Fair
Central Avenue over Booker Creek	Pinellas	3 — Serious	16,000	Fair
Linton Blvd. over Intracoastal Waterway	Palm Beach	3 — Serious	15,400	Fair
SW 94th Avenue over Tamiami Canal C-4	Miami-Dade	3 — Serious	15,350	Good
Palmetto Park Road over Intracoastal Waterway	Palm Beach	3 — Serious	15,000	Good
9th St. North over Turners Creek	Pinellas	3 — Serious	15,000	Fair
CR 399 over Icww At Navarre	Santa Rosa	3 — Serious	14,500	Fair
Midway Blvd. over Dorchester Waterway	Charlotte	3 — Serious	14,400	Good
Arlington RD South over Strawberry Creek	Duval	3 — Serious	14,400	Fair
Falkenburg RD over North Archie Creek	Hillsborough	3 — Serious	14,200	Good
Cr-586 over St. Joseph Sound	Pinellas	3 — Serious	14,200	Fair
Loretto Road over Oldfield Creek	Duval	3 — Serious	14,000	Fair
58th ST N over Joes Creek	Pinellas	3 — Serious	13,900	Fair
E. Camino Real over Intracoastal Waterway	Palm Beach	3 — Serious	13,888	Good
Us-1 (main St.) over St. Johns River	Duval	3 — Serious	13,800	Fair
CR 218 over N Fork Black Creek	Clay	3 — Serious	13,500	Fair
Old Tampa Hwy. over Shingle Creek Trib.	Osceola	3 — Serious	13,500	Fair
Edgewater Dr. over Elkcam Waterway	Charlotte	3 — Serious	13,200	Fair
4th Ave. South over Booker Creek	Pinellas	3 — Serious	13,000	Good
Sr-60 WB over Peace Creek Relief	Polk	3 — Serious	13,000	Good
Belcher Road over Cross Bayou Canal	Pinellas	3 — Serious	12,900	Good
Old Dixie Hwy. over S. Fork Middle River	Broward	3 — Serious	12,600	Fair
West 16th Avenue over Little River Canal	Miami-Dade	3 — Serious	12,600	Good
Snively Rd(cr-655) over Lulu Creek	Polk	3 — Serious	12,600	Fair
Webber St. over Phillippi Creek	Sarasota	3 — Serious	12,200	Fair
Sr-26 over Hatchet Creek	Alachua	3 — Serious	12,000	Poor
WB Sunrise BLVD over Intracoastal Waterway	Broward	3 — Serious	12,000	Fair
EB Sunrise BLVD over Intracoastal Waterway	Broward	3 — Serious	12,000	Fair
SW 112th Avenue over Princeton Canal C-102	Miami-Dade	3 — Serious	11,850	Good
Jensen Bch. Cswy. over W. Relief Indian River	Martin	3 — Serious	11,500	Fair
Beach Road over Lemon Bay Icww	Charlotte	3 — Serious	11,300	Fair
A1a over Boca Inlet	Palm Beach	3 — Serious	11,300	Fair
Randall Blvd. over Golden Gate Main Canal	Collier	3 — Serious	11,205	Good
Sr-60 over Buttermilk Slough N Fork	Polk	3 — Serious	10,600	Fair
Sr-60 over Sheep Hammock Creek	Polk	3 — Serious	10,600	Fair
Cr708 SE Bridge RD over Intracoastal Waterway	Martin	3 — Serious	10,502	Fair
Arlington RD South over Silversmith Creek	Duval	3 — Serious	10,501	Good
Old Middleburg RD over Wills Branch	Duval	3 — Serious	10,500	Good
Osprey Avenue over Hudson Bayou	Sarasota	3 — Serious	10,200	Good
Lonestar Road over Ginhouse Creek	Duval	3 — Serious	10,081	Poor
Tomoka Farms RD over Sweetwater Creek	Volusia	3 — Serious	9,900	Good
43rd Street West over Cedar Hammock Canal	Manatee	3 — Serious	9,700	Good
Woolbright Road over Intracoastal Waterway	Palm Beach	3 — Serious	9,625	Good
Us-27 (sr-20) over Santa Fe River	Alachua	3 — Serious	9,600	Fair
Sr-115 over Cushing Creek	Nassau	3 — Serious	9,300	Fair
Causeway Blvd. over St. Joseph Sound (icww)	Pinellas	3 — Serious	9,300	Fair
Overlook DR NE over Smacks Bayou	Pinellas	3 — Serious	9,200	Poor
Snell Isle Blvd. over Coffee Pot Bayou	Pinellas	3 — Serious	9,200	Fair
Cr-415 over Trib To Spruce Creek	Volusia	3 — Serious	9,200	Good
WB Spanish River over Intracoastal Waterway	Palm Beach	3 — Serious	9,150	Fair
EB Spanish Rvr Bvd over Intracoastal Waterway	Palm Beach	3 — Serious	9,150	Fair
North Blvd. over Hillsborough River	Hillsborough	3 — Serious	9,100	Fair
Us90 Sr10 over Shoal River	Okaloosa	3 — Serious	8,600	Fair
Tomoka Farms RD over Miller Creek	Volusia	3 — Serious	8,500	Poor
Price Blvd. over Myakkahatchee Creek	Sarasota	3 — Serious	8,400	Fair
Lpga BLVD over Tomoka River	Volusia	3 — Serious	8,400	Fair
Cr-865 over New Pass	Lee	3 — Serious	8,100	Fair
Us-1 SB (sr-15) over Car Seat Creek	Nassau	3 — Serious	8,100	Fair
Winter Springs Blv over Bear Creek	Seminole	3 — Serious	8,100	Good
Us-1 SB (sr-15) over Braddock Creek	Nassau	3 — Serious	8,050	Fair
Scott Mill Road over Tacito Creek	Duval	3 — Serious	7,800	Fair
Laurel Street over Hillsborough River	Hillsborough	3 — Serious	7,700	Fair
Ridgemoor Blvd. over Brooker Creek	Pinellas	3 — Serious	7,700	Poor
Kay Road over Cypress Strand	Manatee	3 — Serious	7,600	Fair
Us-19 NB (sr-55) over Suwannee River	Dixie	3 — Serious	7,450	Fair
SW 77th Avenue over Canal C-100-a	Miami-Dade	3 — Serious	7,400	Fair
Taylor Road over Spruce Creek	Volusia	3 — Serious	7,400	Poor
Broward Road over Highlands Creek	Duval	3 — Serious	7,300	Fair
Broward RD over Tributary To Trout River	Duval	3 — Serious	7,300	Good
G Bush Blvd(ne8th) over Intracoastal Waterway	Palm Beach	3 — Serious	7,300	Fair
Sr-21 over Bull Creek	Clay	3 — Serious	7,200	Good
Shoal Line BLVD over Weeki Wachee River	Hernando	3 — Serious	7,100	Good
Sr-a1a over Intracoastal Waterway	St. Lucie	3 — Serious	7,100	Poor
58th St. North SB over Miles Pine Creek	Pinellas	3 — Serious	6,950	Fair
NE 15th Avenue over Snake Creek Canal C-9	Miami-Dade	3 — Serious	6,916	Good
Blount Island BLVD over St.johns River-w.channel	Duval	3 — Serious	6,900	Fair
Cr184 over Escambia River	Escambia	3 — Serious	6,900	Fair
Bonita Grand DR over Bonita Creek	Lee	3 — Serious	6,800	Good
Diplomat PKWY EB over Zanzabar Canal	Lee	3 — Serious	6,720	Fair
Diplomat PKWY WB over Zanzabar Canal	Lee	3 — Serious	6,720	Fair
Tarpon Springs RD over Brooker Creek	Hillsborough	3 — Serious	6,649	Fair
SW 11 Avenue over N Fork New River	Broward	3 — Serious	6,618	Fair
CR 125 over Cedar Creek	Baker	3 — Serious	6,600	Fair
CR 125 over Mid-prong ST Marys River	Baker	3 — Serious	6,600	Fair
Periwinkle Way over Shell Harbor Canal	Lee	3 — Serious	6,470	Fair
Myrtle Street over Whitaker Creek	Sarasota	3 — Serious	6,400	Good
SW 296th Street over Canal C-103 Mowry	Miami-Dade	3 — Serious	6,320	Fair
Embers Parkway over Crete Canal	Lee	3 — Serious	6,300	Good
New Berlin Road over Caney Branch	Duval	3 — Serious	6,200	Fair
Us-41 (sr-25) over Rose Creek	Columbia	3 — Serious	6,100	Fair
Us-41 (sr-25) over Clay Hole Creek	Columbia	3 — Serious	6,100	Fair
Sr-64 over Peace River	Hardee	3 — Serious	6,100	Good
Sr-64 over Peace River Overflow	Hardee	3 — Serious	6,100	Fair
21st Avenue West over Wares Creek	Manatee	3 — Serious	6,000	Fair
46th AVE N over Joes Creek	Pinellas	3 — Serious	6,000	Good
Us-27 (sr-20) over Suwannee River	Lafayette	3 — Serious	5,900	Fair
Us-129 (sr-51) over Suwannee River	Hamilton	3 — Serious	5,800	Good
Airport Road over Groover Creek	Volusia	3 — Serious	5,700	Fair
Danley Drive over Canal L	Lee	3 — Serious	5,600	Good
Pelican Blvd. over Salmon Canal	Lee	3 — Serious	5,600	Fair
Mooringline Drive over Doctor Pass Inlet	Collier	3 — Serious	5,400	Good
Sr-51 over Suwannee River Relief	Suwannee	3 — Serious	5,200	Fair
Cr-774 over Intracoastal Waterway	Sarasota	3 — Serious	5,100	Fair
Old Middleburg RD over Mile Branch	Duval	3 — Serious	5,000	Good
Sr-51 over Suwannee River Relief	Suwannee	3 — Serious	4,900	Fair
Us-19 NB (sr-55) over Fenholloway River	Taylor	3 — Serious	4,750	Fair
Midway Blvd. over North Spring Lake	Charlotte	3 — Serious	4,700	Fair
Us-17 (sr-5) over St. Marys River	Nassau	3 — Serious	4,600	Fair
CR 268 over Little River	Gadsden	3 — Serious	4,500	Poor
Turkey Creek RD over Turkey Creek	Hillsborough	3 — Serious	4,500	Fair
Sr-78 over Fisheating Creek	Glades	3 — Serious	4,409	Fair
8th Ave. SW over Mckay Creek	Pinellas	3 — Serious	4,400	Good
N. Auburn Road over Curry Creek	Sarasota	3 — Serious	4,400	Good
Sr-238 over Olustee Creek	Union	3 — Serious	4,400	Fair
Us-41 (sr-6 & 25) over Alapaha River Overflow	Hamilton	3 — Serious	4,200	Fair
Del Prado Blvd. over Bimini Canal	Lee	3 — Serious	4,200	Good
Kings Highway over Partin Canal	Osceola	3 — Serious	4,000	Fair
Morris Bridge Rd. over Hillsborough River	Hillsborough	3 — Serious	3,747	Fair
CR 217 over Long Branch	Clay	3 — Serious	3,700	Fair
83rd AVE North over Cove Sound Creek	Pinellas	3 — Serious	3,600	Fair
San Martin BLVD over Riviera Bay	Pinellas	3 — Serious	3,600	Fair
Sr-100 over Olustee Creek	Union	3 — Serious	3,600	Fair
Us-41 (sr-90) over Canal 086	Collier	3 — Serious	3,515	Good
Us-41 (sr-90) over Canal 087	Collier	3 — Serious	3,515	Fair
Us-41 (sr-90) over Canal 088	Collier	3 — Serious	3,515	Fair
Us-41 (sr-90) over Canal 092	Collier	3 — Serious	3,515	Good
Bay Drive over Normandy Waterway	Miami-Dade	3 — Serious	3,503	Good
45th Ave. South over Little Bayou	Pinellas	3 — Serious	3,477	Fair
Us-41 (sr-90) over Canal 078	Collier	3 — Serious	3,400	Good
SE 137th AVE Road over Creek	Marion	3 — Serious	3,400	Fair
1st ST N & 54 Av N over Placido Bayou	Pinellas	3 — Serious	3,400	Fair
Rosselle Street over Mccoys Creek	Duval	3 — Serious	3,341	Fair
Cr-707 (beach Rd) over Intracoastal Waterway	Palm Beach	3 — Serious	3,240	Fair
Sr-a1a over Sebastian Inlet	Indian River	3 — Serious	3,214	Poor