County profile · official public datasets

Sumter County, FL

112 public highway bridges tracked in the FHWA National Bridge Inventory: 68.8% rated Good, 31.3% Fair, 0% Poor.

112
Public bridges: 68.8%
Good condition: 0%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Sumter County pairs a top-10% lowest Poor-condition share among rated counties in the state with a newer average build year than the state inventory.

Top 7%
lowest Poor share in state: 0%
Poor-condition share: 112
public highway bridges: 1991
avg year built

Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.

Sumter County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Sumter County ranks #5 of 67 Florida counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 0%). Sumter County, Florida contains 112 public highway bridges. Roughly 68.8% are rated “Good,” 31.3% “Fair,” and 0% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

Total bridges

112

Public highway bridges in Sumter County

Good condition

68.8%

77 of 112 rated 7-9

Fair condition

31.3%

35 of 112 rated 5-6

Poor condition

0 of 112 rated 4 or below

In-state Poor-share rank

#5 of 67

Among Florida counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 112 NBI-tracked bridges by lowest applicable component rating.

Good

68.8% (77)

Fair

31.3% (35)

Poor

0% (0)

40.2% of Sumter County's bridges have passed the 50-year mark

45 of the 112 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 68.8% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.

Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.

1920s

2
1930s

2
1940s

2
1950s

7
1960s

32
1970s

1
1980s

2
1990s

5
2000s

5
2010s

48
2020s

6

What this shows Construction peaked in the 2010s, when 48 of the county's bridges still in the inventory were built, which is 42.9% of those with a recorded year. That cohort is now 5 to 14 years old in the 2024 inventory. Its average build year is 1991, 8 years newer than the Florida average of 1983.

How Sumter County compares with Florida's closest counties by inventory size

The 5 Florida counties nearest Sumter County in number of bridges, with their condition splits. Its 0% Poor share is the 2nd-lowest of these 6. Its average build year of 1991 against a peer-group mean of 1980 is 11 years newer.

Showing the 5 closest of 66 Florida counties eligible for comparison.

Bridge inventory size and condition shares for Sumter County and the 5 Florida counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Indian River County	120	75%	23.3%	1.7%	1989
Alachua County	115	52.2%	47%	0.9%	1971
Lake County	113	67.3%	32.7%	0%	1990
Columbia County	112	50.9%	48.2%	0.9%	1970
Sumter County (this page)	112	68.8%	31.3%	0%	1991
Flagler County	105	57.1%	41%	1.9%	1981

Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Sumter County's. Source: FHWA National Bridge Inventory, 2024 release.

Nationwide counties with similar inventory size or average build year

Two NBI-derived peer sets for Sumter County, both outside Florida so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside FL (112 bridges here).

Houston County, GA · 112 bridges
Tift County, GA · 112 bridges
Lemhi County, ID · 112 bridges
Bourbon County, KY · 112 bridges

Similar average build year

Nearest mean year-built outside FL (1991 here).

Denver County, CO · avg 1991 · 458 bridges
Baldwin County, AL · avg 1991 · 381 bridges
Union County, NC · avg 1991 · 353 bridges
Rock County, MN · avg 1991 · 265 bridges

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

All 112 Good 77 Fair 35 Poor 0

Fair-condition bridges (35)

Sort:

Sumter County Bridge Snapshot

Condition distribution

40.2% of Sumter County's bridges have passed the 50-year mark

How Sumter County compares with Florida's closest counties by inventory size

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

Fair-condition bridges (35)

State Forest Road

CR-470

CR-575

CR-48

Old Mill Run Rd.

Lakeshore Drive

CR-558

CR-48

SR 91 SB 305.9

SR 91 NB 305.9

SR-471

I-75 SB

I-75 NB

CR-476B

CR-462

CR-476

SR 91 SB 305.5

SR 91 NB 305.5

I-75

SR-471

CR-728 Tuscannooga

CR-476

I-75 NB

COLEMAN LANDING RD

SR 91 TPK NB 308.7

CR-48

SR-471

I-75 SB

I-75 NB

Morse Blvd

SR-44

CR-48

SR-44

US-301

CR-311

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