Florida Bridges

13,036 highway bridges across 67 counties · NBI 2024 data

2.8% in poor condition
National avg: 6.8%
7,763
4,909
Good: 7,763 (59.6%) Fair: 4,909 (37.7%) Poor: 364 (2.8%)

About Florida's Bridge Infrastructure

Florida maintains 13,036 highway bridges across 67 counties, forming critical links in the state's transportation network. With an average construction year of 1983, the typical bridge in Florida is approximately 43 years old—6 years newer than the national average of 49 years. The state's oldest bridge dates back to 1900, representing over a century of service and offering a window into historic bridge engineering practices.

Currently, 2.8% of Florida's bridges are rated in poor condition, better than the national average of 6.8%. This indicates relatively strong investment in bridge maintenance and replacement programs. A "poor" condition rating indicates significant deterioration requiring attention, though these bridges remain safe for travel at their posted limits. Federal regulations require bridge inspections at least every 24 months to ensure public safety.

Bridge conditions in Florida reflect decades of infrastructure investment decisions shaped by geography, climate, traffic demands, and available funding. Bridges here carry 19,969 vehicles daily on average—151% higher than the national average—placing greater demands on structural maintenance. The state's 259,661,406 total daily bridge crossings underscore how essential this infrastructure is to daily commerce and commuting.

The material composition of Florida's bridge inventory reflects regional construction practices and evolving engineering standards. The predominant construction material is prestressed concrete, accounting for 50.9% of all structures. Material choice affects maintenance requirements, expected lifespan, and vulnerability to environmental factors specific to the region. Understanding these patterns helps transportation planners allocate resources effectively and prioritize infrastructure investments.

364 of 13,036 Florida bridges have a rating of 4 or below. Rating 4 = advanced deterioration.

#BridgeRatingLocationBuiltDaily Traffic
1N HOLLAND TOWN RD
over LAKE BRANCH
Critical condition requiring immediate attention.
0
Hardee County Co. · 1 MI N OF CR-6501977600
2Turberville Road
over Wrights Creek
Critical condition requiring immediate attention. Low-traffic rural crossing.
0
Holmes County Co. · 2.1 Miles East of SR 79201066
3Scott Road
over Econfina Creek
Critical condition requiring immediate attention. Built 69 years ago, approaching the end of typical service life. Low-traffic rural crossing.
1
Bay County Co. · 3.0 Mi West US231/SR75195766
4Hanna Mill Pond Rd
over Hannas Mill Pond
Critical condition requiring immediate attention. Built 66 years ago, approaching the end of typical service life. Low-traffic rural crossing.
1
Gadsden County Co. · 0.8 Miles West of CR 270196099
5Sea Ray Drive
over Sykes Creek
Critical condition requiring immediate attention.
1
Brevard County Co. · 1.9mi W of N Banana Ri Dr19911,202
6Scotts Ferry Road
over Bear Creek
Critical condition requiring immediate attention. At 84 years old, this is among Florida's oldest structures.
2
Bay County Co. · 1.8 Miles E of US231/SR751942419
7CR658-Old Fed Road
over Rocky Comfort Creek
Critical condition requiring immediate attention. Built 55 years ago, approaching the end of typical service life.
2
Gadsden County Co. · 2.0 Miles East of SR 2671971350
8CR658-Old Fed Road
over Richlander Creek
Critical condition requiring immediate attention. Built 55 years ago, approaching the end of typical service life.
2
Gadsden County Co. · 0.76 Miles West of CR 2681971350
9Cane Creek Road
over Cane Creek
Critical condition requiring immediate attention. Built 66 years ago, approaching the end of typical service life.
2
Gadsden County Co. · 1.87 Mi South of CR 2741960235
10Victoria Avenue
over Tidal Branch
Critical condition requiring immediate attention. Low-traffic rural crossing.
2
Gulf County Co. · 0.1 Mi North of US98/SR30199555

Bridges by County

Miami-Dade County holds 8% of Florida's bridges. Walton County has the highest deficiency rate.

CountyBridgesConditionPoorPoor %Avg ADT
Miami-Dade County
Largest bridge inventory in Florida. High-traffic area averaging 38,660 vehicles per bridge daily.
1,057
630
398
504.7%38,660
Orange County
One of Florida's largest bridge inventories. Below-average deficiency rate. High-traffic area averaging 32,952 vehicles per bridge daily.
885
527
334
10.1%32,952
Hillsborough County
One of Florida's largest bridge inventories. Below-average deficiency rate. High-traffic area averaging 32,699 vehicles per bridge daily.
840
501
317
20.2%32,699
Duval County
High-traffic area averaging 30,264 vehicles per bridge daily.
831
495
313
151.8%30,264
Broward County
High-traffic area averaging 32,657 vehicles per bridge daily.
686
409
259
131.9%32,657
Palm Beach County
Below-average deficiency rate. High-traffic area averaging 29,215 vehicles per bridge daily.
610
364
230
20.3%29,215
Pinellas County
High-traffic area averaging 23,504 vehicles per bridge daily.
435
259
164
81.8%23,504
Lee County
Below-average deficiency rate.
391
233
147
30.8%19,317
Collier County370
221
139
71.9%11,710
Polk County
No bridges in poor condition.
360
215
136
00.0%12,149

Infrastructure Profile

Key Metrics
Average bridge age43 years
Average year built1983
Oldest bridge1900
Newest bridge2024
Avg daily traffic/bridge19,969
Total daily crossings259.7M
Rating Distribution (0–9 scale)
0–4 = Poor · 5–6 = Fair · 7–9 = Good
Construction Materials
Prestressed Concrete6,636(50.9%)
Concrete4,561(35.0%)
Steel1,443(11.1%)
Wood/Timber341(2.6%)
Metal (Other)51(0.4%)
Other4(0.0%)

Florida vs. National Average

Poor Condition
2.8%
National: 6.8%✓ Better
Good Condition
59.6%
National: 44.1%✓ Better
Average Age
43 yr
National: 49 yr✓ Better
Avg Daily Traffic
19,969
National: 7,954✓ Better
Data Source: Federal Highway Administration, National Bridge Inventory 2024. Bridge conditions rated 0–9 per FHWA Recording and Coding Guide. "Poor" = rating ≤ 4 on deck, superstructure, substructure, or culvert.
Inspections typically occur every 24 months. Structurally deficient does not mean unsafe.
Florida Bridges — 13,036 Bridges, 2.8% Poor | BridgeReport.org