County profile · official public datasets

Grady County, GA

104 public highway bridges tracked in the FHWA National Bridge Inventory: 93.3% rated Good, 5.8% Fair, 1% Poor.

104
Public bridges: 93.3%
Good condition: 1%
Poor condition

The verdict

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

Grady County pairs a better-than-median Poor-condition share among rated counties in the state with a newer average build year than the state inventory.

Top 50%
lowest Poor share in state: 1%
Poor-condition share: 104
public highway bridges: 1982
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.

Grady County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Grady County ranks #79 of 159 Georgia counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 1%). Grady County, Georgia contains 104 public highway bridges. Roughly 93.3% are rated “Good,” 5.8% “Fair,” and 1% “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

104

Public highway bridges in Grady County

Good condition

93.3%

97 of 104 rated 7-9

Fair condition

5.8%

6 of 104 rated 5-6

Poor condition

1 of 104 rated 4 or below

In-state Poor-share rank

#79 of 159

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

Condition distribution

Share of 104 NBI-tracked bridges by lowest applicable component rating.

Good

93.3% (97)

Fair

5.8% (6)

Poor

1% (1)

Grady County's Poor-condition bridges carry 20 vehicle crossings a day

That is 0% of the county's reported daily bridge traffic on 1% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 20 crossings a day against 2,586 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.

Computed over the 104 of 104 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

33.7% of Grady County's bridges have passed the 50-year mark

35 of the 104 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 93.3% 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.

One structure carries 100% of the county's Poor-condition bridge traffic

CRANFORD ROAD over TIRED CREEK, built 1992, carries 20 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 1-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 20 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

1930s

4
1940s

1
1950s

9
1960s

17
1970s

10
1980s

19
1990s

24
2000s

10
2010s

8
2020s

2

What this shows Construction peaked in the 1990s, when 24 of the county's bridges still in the inventory were built, which is 23.1% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year is 1982, 5 years newer than the Georgia average of 1977.

How Grady County compares with Georgia's closest counties by inventory size

The 5 Georgia counties nearest Grady County in number of bridges, with their condition splits. Its 1% Poor share is the 4th-lowest of these 6. Its average build year of 1982 against a peer-group mean of 1975 is 7 years newer.

Showing the 5 closest of 158 Georgia counties eligible for comparison.

Bridge inventory size and condition shares for Grady County and the 5 Georgia counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Fannin County	107	36.4%	61.7%	1.9%	1980
Habersham County	107	77.6%	21.5%	0.9%	1974
Brooks County	104	68.3%	27.9%	3.8%	1970
Grady County (this page)	104	93.3%	5.8%	1%	1982
Morgan County	103	84.5%	15.5%	0%	1981
Clarke County	102	78.4%	21.6%	0%	1972

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 Grady 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 Grady County, both outside Georgia so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside GA (104 bridges here).

Nassau County, FL · 104 bridges
Bonner County, ID · 104 bridges
Martin County, IN · 104 bridges
Livingston County, KY · 104 bridges

Similar average build year

Nearest mean year-built outside GA (1982 here).

Oklahoma County, OK · avg 1982 · 1,216 bridges
Jackson County, MO · avg 1982 · 930 bridges
Milwaukee County, WI · avg 1982 · 893 bridges
Champaign County, IL · avg 1982 · 727 bridges

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

All 104 Good 97 Fair 6 Poor 1

All bridges (104)

Sort:

Grady County Bridge Snapshot

Condition distribution

Grady County's Poor-condition bridges carry 20 vehicle crossings a day

33.7% of Grady County's bridges have passed the 50-year mark

One structure carries 100% of the county's Poor-condition bridge traffic

How Grady County compares with Georgia's closest counties by inventory size

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

All bridges (104)

OLD US 84

SR 188

SR 111

SWAMP CREEK ROAD

SR 38 - US 84

FAS 1200

SR 93

PLEASANT GROVE RD

LOWER CAIRO ROAD

PINE PARK ROAD

GILLIARD ROAD

GAINEY ROAD

PINE PARK ROAD

NOLES ROAD

STAGE COACH ROAD

SR 35 - US 319

SR 38 - US 84 (EBL

SR 111

SR 38 - US 84 (EBL

SR 93 - SR 111

SR 38 - US 84 (EBL

SR 93

SR 111

SR 38 - US 84 (WBL

SR 93

SR 93 - SR 111

OLD THOMASVILLE RD

SR 38 - US 84 (WBL

SR 38 - US 84 (WBL

SR 111

SR 111

SR 111

SR 111-4TH AVE SW

SR 38 - US 84 (EBL

ST 188 - 5TH STREE

SR 93 - SR 111

SR 38 - US 84 (WBL

PILCHER ROAD

BAGGETT MILL ROAD

LOWER CAIRO ROAD

SR112

SR 262

SR 262

FAS 1200

CR 11 GAINOUS ROAD

CRANFORD ROAD

PLEASANT GROVE RD

WOLF CREEK ROAD

MERRITT ROAD

SR 38 - US 84

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