County profile · official public datasets

Jackson County, MS

268 public highway bridges tracked in the FHWA National Bridge Inventory: 69.4% rated Good, 28% Fair, 2.6% Poor.

268
Public bridges: 69.4%
Good condition: 2.6%
Poor condition

The verdict

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

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

Top 22%
lowest Poor share in state: 2.6%
Poor-condition share: 268
public highway bridges: 1996
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.

Jackson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Jackson County ranks #18 of 82 Mississippi counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 2.6%). Jackson County, Mississippi contains 268 public highway bridges. Roughly 69.4% are rated “Good,” 28% “Fair,” and 2.6% “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

268

Public highway bridges in Jackson County

Good condition

69.4%

186 of 268 rated 7-9

Fair condition

28%

75 of 268 rated 5-6

Poor condition

2.6%

7 of 268 rated 4 or below

In-state Poor-share rank

#18 of 82

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

Condition distribution

Share of 268 NBI-tracked bridges by lowest applicable component rating.

Good

69.4% (186)

Fair

28% (75)

Poor

2.6% (7)

Jackson County's Poor-condition bridges carry 23,710 vehicle crossings a day

That is 1.6% of the county's reported daily bridge traffic on 2.6% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 3,387 crossings a day against 5,346 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 268 of 268 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

11.2% of Jackson County's bridges have passed the 50-year mark

30 of the 268 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 69.4% 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 40.5% of the county's Poor-condition bridge traffic

HANSHAW ROAD over DAVIS BAYOU, built 1991, carries 9,600 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 7-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 23,710 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

1930s

3
1940s

1
1950s

9
1960s

4
1970s

40
1980s

35
1990s

30
2000s

88
2010s

39
2020s

19

What this shows Construction peaked in the 2000s, when 88 of the county's bridges still in the inventory were built, which is 32.8% of those with a recorded year. That cohort is now 15 to 24 years old in the 2024 inventory. Its average build year is 1996, 10 years newer than the Mississippi average of 1986.

How Jackson County compares with Mississippi's closest counties by inventory size

The 5 Mississippi counties nearest Jackson County in number of bridges, with their condition splits. Its 2.6% Poor share is the 2nd-lowest of these 6. Its average build year of 1996 against a peer-group mean of 1989 is 7 years newer.

Showing the 5 closest of 81 Mississippi counties eligible for comparison.

Bridge inventory size and condition shares for Jackson County and the 5 Mississippi counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Bolivar County	272	26.1%	65.8%	8.1%	1987
Yazoo County	271	26.6%	60.9%	12.5%	1987
Jackson County (this page)	268	69.4%	28%	2.6%	1996
Copiah County	266	25.9%	69.2%	4.9%	1987
DeSoto County	266	59.4%	38.7%	1.9%	1995
Lafayette County	259	41.7%	54.1%	4.2%	1990

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

Similar inventory size

Nearest county inventories outside MS (268 bridges here).

Polk County, MN · 268 bridges
Warren County, NJ · 268 bridges
Niagara County, NY · 268 bridges
Delaware County, OH · 268 bridges

Similar average build year

Nearest mean year-built outside MS (1996 here).

Clark County, NV · avg 1996 · 1,141 bridges
Hamilton County, IN · avg 1996 · 454 bridges
Hays County, TX · avg 1996 · 272 bridges
Douglas County, CO · avg 1996 · 263 bridges

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

All 268 Good 186 Fair 75 Poor 7

Good-condition bridges (186)

Sort:

Jackson County Bridge Snapshot

Condition distribution

Jackson County's Poor-condition bridges carry 23,710 vehicle crossings a day

11.2% of Jackson County's bridges have passed the 50-year mark

One structure carries 40.5% of the county's Poor-condition bridge traffic

How Jackson County compares with Mississippi's closest counties by inventory size

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

Good-condition bridges (186)

SHEARWATER ST

LEMOYNE BLVD.

WASHINGTON AVE

OLD FORT BAYOU RD

SR 613

SOUTH DESOTO ST

DAVIS SAWMILL RD

DAVIS SAWMILL RD

POTICAW LANDING RD

SEAMAN ROAD

POLLOCK FERRY RD

SR 613

SR 613

SR 613

SR 613

SR 611

GAUTIER-VANCLEAVE

WARD BAYOU ROAD

DAN SHERMAN RD.

TUCKER ROAD

TANNER CHAPEL RD

TANNER WILLIAMS RD

WADE-VANCLEAVE RD

WADE-VANCLEAVE RD

FORTS LAKE ROAD

MAGNOLIA ST.

FISHHAWK DR

PAIGE BAYOU RD

CUMBEST BLUFF RD

HOLCOMB BLVD

I 10

I 10

SR 63

RAMIE FARM ROAD

OLD AMERICUS RD

LARUE-DANTZLER RD

OLD BILOXI RD

OLD BILOXI ROAD

KENNETH COLE RD

OLD FORT BAYOU RD

OLD BILOXI ROAD

PECAN ROAD

GREENWICH AVENUE

KENSINGTON AVE.

BUSBY ROAD

PINE ST.

SCHOOL ROAD

PEAPATCH ROAD

OLD MOBILE HWY/PAS

SHINGLE MILL LANDI

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