How many bridges are in Mississippi?

Mississippi has 16,823 public highway bridges tracked in the FHWA National Bridge Inventory. View detailed condition data for each bridge on PlainBridges.

What percentage of bridges in Mississippi are structurally deficient?

5.9% of bridges in Mississippi are classified as structurally deficient by the FHWA, compared to a national average of 7.0%.

State profile · Below national median SD

Mississippi bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Mississippi — drawn straight from the FHWA National Bridge Inventory.

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026

16,823
Public bridges: 52.3%
Good condition: 5.9%
Poor condition: 5.9%
Structurally deficient

Total Bridges

16,823

Public highway bridges in Mississippi

Good Condition

52.3%

8,797 bridges rated 7-9

2.3pp vs 50% benchmark

Poor Condition

5.9%

996 bridges rated 0-4

Structurally Deficient

5.9%

996 bridges flagged for repair priority

-1.1pp vs national avg 7.0%

Mississippi vs national bridge condition

Mississippi — Good condition share 52.3%

National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Mississippi — Structurally deficient share 19.7%

National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Mississippi (FHWA NBI)

Counties (82)

Adams 104 Alcorn 213 Amite 210 Attala 229 Benton 103 Bolivar 272 Calhoun 213 Carroll 225 Chickasaw 251 Choctaw 165 Claiborne 138 Clarke 224 Clay 155 Coahoma 116 Copiah 266 Covington 164 DeSoto 269 Forrest 287 Franklin 157 George 116 Greene 171 Grenada 163 Hancock 104 Harrison 306 Hinds 667 Holmes 212 Humphreys 94 Issaquena 20 Itawamba 230 Jackson 268 Jasper 194 Jefferson 102 Jefferson Davis 142 Jones 330 Kemper 211 Lafayette 259 Lamar 154 Lauderdale 484 Lawrence 134 Leake 200 Lee 393 Leflore 139 Lincoln 380 Lowndes 250 Madison 314 Marion 201 Marshall 256 Monroe 291 Montgomery 170 Neshoba 200 Newton 244 Noxubee 201 Oktibbeha 227 Panola 231 Pearl River 234 Perry 162 Pike 211 Pontotoc 169 Prentiss 205 Quitman 106 Rankin 376 Scott 199 Sharkey 61 Simpson 201 Smith 175 Stone 125 Sunflower 169 Tallahatchie 155 Tate 139 Tippah 140 Tishomingo 149 Tunica 81 Union 207 Walthall 154 Warren 175 Washington 317 Wayne 214 Webster 181 Wilkinson 94 Winston 176 Yalobusha 158 Yazoo 271

Mississippi vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Mississippi on the same metric.

Wyoming

5.41% top marginal rate

Structure: Progressive
Burden @ $100K: $3,181

Idaho

5.51% top marginal rate

Structure: Progressive
Burden @ $100K: $1,742

Selected

Mississippi

5.92% top marginal rate

Structure: Progressive
Burden @ $100K: $16,823

South Carolina

6.10% top marginal rate

Structure: Progressive
Burden @ $100K: $5,396

Wisconsin

6.13% top marginal rate

Structure: Progressive
Burden @ $100K: $14,851

Bridges Needing Most Attention in Mississippi

Six lowest-condition bridges in Mississippi, ranked by composite NBI rating. Each is inspected at least every 24 months.

FELLOWSHIP ROAD

Poor

Over: BROCK CREEK

SEC 28 T 8S R 6E, Lee, MS

Built 1956 Load: 0.3 t ADT: 80

LEEAUBRE LANE

Structurally Deficient

Over: TURKEYFOOT BRANCH

SEC 24 T 9N R 3W, Yazoo, MS

Built 1965 Load: 0.7 t ADT: 10

CO RD 125

Poor

Over: AIKENS CREEK

SEC 8 T20N R 3E, Carroll, MS

Built 1958 Load: 0.9 t ADT: 40

BUCK REED ROAD

Poor

Over: BRANCH OF BAKERS CREEK

SEC 26 T 6N R 4W, Hinds, MS

Built 1997 Load: 0.9 t ADT: 80

OFC THOMAS CATCHIN

Structurally Deficient

Over: LYNCH CR

SEC 31 T 6N R 1E, Hinds, MS

Built 1985 Load: 1.0 t ADT: 4,000

WARREN TOWN ROAD

Poor

Over: PARKER CREEK

SEC 24 T10N R16E B, Kemper, MS

Built 1967 Load: 1.2 t ADT: 110

All Bridges in Mississippi

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Publisher	Kiznis Studio
Sources	FHWA National Bridge Inventory, public U.S. government datasets

Mississippi vs national bridge condition

Condition Distribution

Counties (82)

Bridges Needing Most Attention in Mississippi

FELLOWSHIP ROAD

LEEAUBRE LANE

CO RD 125

BUCK REED ROAD

OFC THOMAS CATCHIN

WARREN TOWN ROAD

All Bridges in Mississippi

SR 4

SR 4

SR 30

SR 30

SR 30

SR 145

NINTH STREET

I 20

I 20

I 20

I 20

I 20

I 20

I 20

I 20

I 20

I 20

I 20 E TO I 55 N

I 55

I 55

US 49 TO I 20 WB

I 55 S TO I 20 E

CNIC RR

KCS RR

US 49 N TO I 20 W

SR 25

SR 25

SR 25

SR 25

SR 471

SR 475

SR 475

SR 475

SR 475

CHILDRE ROAD

GREENFIELD ROAD

GREENFIELD ROAD

TRICKHAM BRIDGE RD

RANKIN ROAD

GULDE ROAD

SR 471

SR 471

SR 13

SR 35

SR 35

SR 481

SR 501

HILL ROAD

VFW ROAD

MUDLINE ROAD

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