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.

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%.

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.

56

Wyoming

5.41% top marginal rate
Structure
Progressive
Burden @ $100K
$3,181

16

Idaho

5.51% top marginal rate
Structure
Progressive
Burden @ $100K
$1,742
Selected

28

Mississippi

5.92% top marginal rate
Structure
Progressive
Burden @ $100K
$16,823

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396

55

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.

All Bridges in Mississippi

SR 552

Unknown

Over: US 61

SR 552 OVER US 61, Jefferson, MS

Built 2004 ADT: 2,750

NATCHEZ TRACE

Unknown

Over: SR 553

7.5 MI S US 61, Jefferson, MS

Built 1981 ADT: 500

US 84

Unknown

Over: SR 13

US 84 OVER SR 13, Jefferson Davis, MS

Built 2008 ADT: 3,500

US 84

Unknown

Over: SR 13

US 84 OVER SR 13, Jefferson Davis, MS

Built 2008 ADT: 3,900

I 59

Unknown

Over: US 11

I 59 OVER US 11, Jones, MS

Built 1960 ADT: 7,800

I 59

Unknown

Over: US 11

I 59 OVER US 11, Jones, MS

Built 1960 ADT: 7,800

I 59

Unknown

Over: US 11

I 59 OVER US 11, Jones, MS

Built 1960 ADT: 7,800

I 59

Unknown

Over: US 11

I 59 OVER US 11, Jones, MS

Built 1960 ADT: 5,600

I 59

Unknown

Over: US 11/AL GREAT SOUTH RR

0.5 MI N JCT US 84/SR 15, Jones, MS

Built 2009 ADT: 5,600

I 59

Unknown

Over: US 11/AL GREAT SOUTH RR

0.5 MI N JCT US 84/SR 15, Jones, MS

Built 2009 ADT: 6,100

I 59

Unknown

Over: SR 15

I 59 OVER SR 15 SOUTH, Jones, MS

Built 1959 ADT: 8,300

I 59

Unknown

Over: US 84

I 59 OVER US 84 EAST, Jones, MS

Built 1959 ADT: 8,000

NORFOLK S RR

Unknown

Over: US 11

IN LAUREL, Jones, MS

Built 1935 ADT: 7,900

US 11

Unknown

Over: I 59

US 11 OVER I 59, Jones, MS

Built 1964 ADT: 10,000

US84/SR15

Unknown

Over: I 59

US84/SR15 OVER I 59, Jones, MS

Built 1960 ADT: 17,000

SR 29

Unknown

Over: I 59

SR 29 OVER I 59, Jones, MS

Built 1960 ADT: 15,500

SR 29

Unknown

Over: US 84

SR 29 OVER US 84, Jones, MS

Built 1996 ADT: 4,450

SR 590

Unknown

Over: I 59

SR 590 OVER I 59, Jones, MS

Built 1960 ADT: 16,000

SR 590

Unknown

Over: US 11 & NORFOLK STHRN RR

SR 590 OVER US 11, Jones, MS

Built 2013 ADT: 5,500

AIRPORT ROAD

Unknown

Over: I 59

2.4 MI N FORREST CL, Jones, MS

Built 1972 ADT: 14,000

MOSELLE ROAD

Unknown

Over: I 59

6.9 MI N FORREST CL, Jones, MS

Built 1960 ADT: 14,000

PAULDING ROAD

Unknown

Over: I 59

2.3 MI N SR 29, Jones, MS

Built 1960 ADT: 15,500

SANDERSVILLE INTCH

Unknown

Over: I 59

2.5 MI S JASPER CL, Jones, MS

Built 1964 ADT: 7,500

BONNER ROAD

Unknown

Over: I 59

0.5 MI S JASPER CL, Jones, MS

Built 1964 ADT: 7,000

AIRPORT ROAD

Unknown

Over: I 59

1.2 MI S JCT US 84/SR 15, Jones, MS

Built 1960 ADT: 15,500

13TH AVE

Unknown

Over: I 59

0.2 MI E JCT US 84/SR 15, Jones, MS

Built 1960 ADT: 16,500

SR 7

Unknown

Over: US 278

SR 7 OVER US 278, Lafayette, MS

Built 1967 ADT: 13,500

SR 7

Unknown

Over: US 278

SR 7 OVER US 278, Lafayette, MS

Built 1967 ADT: 12,500

SR 30

Unknown

Over: SR 7

SR 30 OVER SR 7, Lafayette, MS

Built 1982 ADT: 10,000

SR 30

Unknown

Over: SR 7

SR 30 OVER SR 7, Lafayette, MS

Built 1982 ADT: 10,000

SR 334

Unknown

Over: SR 6

SR 334 OVER SR 6, Lafayette, MS

Built 1992 ADT: 7,500

COLISEUM DRIVE

Unknown

Over: SR 6

2.0 MI W SR 7, Lafayette, MS

Built 1963 ADT: 15,000

OLD TAYLOR ROAD

Unknown

Over: SR 6

1.3 MI W SR 7, Lafayette, MS

Built 1963 ADT: 18,000

S LAMAR BLVD

Unknown

Over: SR 6

0.7 MI W SR 7, Lafayette, MS

Built 1961 ADT: 18,000

BIKE TRAIL

Unknown

Over: I 59

HATTIESBURG, Lamar, MS

Built 1960 ADT: 22,000

NORFOLK S RR

Unknown

Over: US 11

1.5 MI N OF LUMBERTON, Lamar, MS

Built 1949 ADT: 2,100

US 98 HARDY ST

Unknown

Over: I 59

JCT I 59 US 98, Lamar, MS

Built 1992 ADT: 20,500

SR 589

Unknown

Over: I 59

SR 589 OVER I 59, Lamar, MS

Built 1961 ADT: 9,000

YAWN SCHOOL ROAD

Unknown

Over: I 59

3.2 MI N SR 13, Lamar, MS

Built 1961 ADT: 8,000

OLD HWY 11

Unknown

Over: I 59

6.7 MI N SR 13, Lamar, MS

Built 1961 ADT: 7,000

PURVIS-BROOKLYN RD

Unknown

Over: I 59

8.3 MI N SR 13, Lamar, MS

Built 1961 ADT: 9,000

RICHBURG ROAD

Unknown

Over: I 59

0.6 MI N FORREST CL, Lamar, MS

Built 1960 ADT: 17,500

RICHBURG ROAD

Unknown

Over: I 59

0.6 MI N FORREST CL, Lamar, MS

Built 1960 ADT: 17,500

OLD SR 42 /4TH ST

Unknown

Over: I 59

1.0 MI N US 98, Lamar, MS

Built 1960 ADT: 24,000

LINCOLN ROAD

Unknown

Over: I 59

3.1 MI N US 11, Lamar, MS

Built 2000 ADT: 17,500

SOUTHERN RAILROAD

Unknown

Over: BOGGYHOLLOW CREEK-T&P 9

SEC 29 T 2N R14W, Lamar, MS

Built 1966 ADT: 100

SOUTHERN RAILROAD

Unknown

Over: T&P 16

SEC 29 T 2N R14W, Lamar, MS

Built 1965 ADT: 120

I 20 EAST

Unknown

Over: I 59 N RAMP TO I 20 W

8.4 MI E NEWTON CL, Lauderdale, MS

Built 1965 ADT: 600

I 59

Unknown

Over: I 59 NORTH TO I 20 WEST

I 59 SOUTH OVER I 20 WEST, Lauderdale, MS

Built 1965 ADT: 360

I 59

Unknown

Over: I 20 EAST

I 59 SOUTH OVER I 20 EAST, Lauderdale, MS

Built 1965 ADT: 10,500

Showing 301-350 of 16,823 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.