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

I 55

Unknown

Over: SR 550

I 55 OVER SR 550, Lincoln, MS

Built 1966 ADT: 5,300

I 55

Unknown

Over: SR 550

I 55 OVER SR 550, Lincoln, MS

Built 1966 ADT: 5,300

MONTGOMERY CHURCH

Unknown

Over: I 55

1.1 MI N PIKE CL, Lincoln, MS

Built 1965 ADT: 10,500

HOMESVILLE ROAD

Unknown

Over: I 55

3.1 MI N PIKE CL, Lincoln, MS

Built 1965 ADT: 10,500

NORFIELD ROAD

Unknown

Over: I 55

4.4 MI N PIKE CL, Lincoln, MS

Built 1965 ADT: 10,500

CALVARY ROAD

Unknown

Over: I 55

6.8 MI N PIKE CL, Lincoln, MS

Built 1965 ADT: 10,500

BAILEY ROAD

Unknown

Over: I 55

8.7 MI N PIKE CL, Lincoln, MS

Built 1965 ADT: 10,500

KATIE DUNN ROAD

Unknown

Over: I 55

11.4 MI N PIKE CL, Lincoln, MS

Built 1966 ADT: 9,000

MT ZION ROAD

Unknown

Over: I 55

10.4 MI N US 84, Lincoln, MS

Built 1966 ADT: 10,000

US 45

Unknown

Over: US 82

US 45 SOUTH OVER US 82, Lowndes, MS

Built 1967 ADT: 13,000

US 45

Unknown

Over: US 82

US 45 SOUTH OVER US 82, Lowndes, MS

Built 1967 ADT: 9,500

US 82

Unknown

Over: US 45A

US 82 OVER US 45A, Lowndes, MS

Built 1976 ADT: 8,000

US 82

Unknown

Over: US 45A

US 82 OVER US 45A, Lowndes, MS

Built 1976 ADT: 7,000

SR 69

Unknown

Over: US 45/US 82

SR 69 OVER US 45/US 82, Lowndes, MS

Built 1967 ADT: 9,500

SR 69

Unknown

Over: US 45/US 82

SR 69 OVER US 45/US 82, Lowndes, MS

Built 1967 ADT: 9,500

US 82

Unknown

Over: US 45

US 82 OVER US 45 NORTH, Lowndes, MS

Built 1977 ADT: 13,000

US 82

Unknown

Over: US 45

US 82 OVER US 45 NORTH, Lowndes, MS

Built 1977 ADT: 13,000

US 82

Unknown

Over: SR 50

US 82 OVER SR 50/SR12, Lowndes, MS

Built 1989 ADT: 10,000

KCS RR

Unknown

Over: SR 245

1.3 MI N NOXUBEE CL, Lowndes, MS

Built 1940 ADT: 340

BURLINGTON N RR

Unknown

Over: SR 182

1.0 MI E US 45A, Lowndes, MS

Built 1945 ADT: 2,200

SR 182

Unknown

Over: US 45A

SR 182 OVER US 45A, Lowndes, MS

Built 2001 ADT: 2,950

WEST POINT ROAD

Unknown

Over: US 45/US 82

1.3 MI E JCT US 45S/US 82, Lowndes, MS

Built 1967 ADT: 15,000

SR 791/GOLDEN TRI

Unknown

Over: US 82

3.4 MI E US 45A, Lowndes, MS

Built 1975 ADT: 9,500

SR 791 GOLDEN TRI

Unknown

Over: US 82

3.4 MI E US 45A, Lowndes, MS

Built 2009 ADT: 9,000

I 55

Unknown

Over: US 51 & CNIC RR

0.3 MI N HINDS CL, Madison, MS

Built 1985 ADT: 13,000

I 55

Unknown

Over: US 51 & CNIC RR

0.3 MI N HINDS CL, Madison, MS

Built 1985 ADT: 13,000

I 55

Unknown

Over: I 220E TO I 55 NORTH

0.8 MI N HINDS CL, Madison, MS

Built 1979 ADT: 10,000

I 55

Unknown

Over: I 220E TO I 55 NORTH

0.8 MI N HINDS CL, Madison, MS

Built 1979 ADT: 10,000

NATCHEZ TRACE

Unknown

Over: I 55

I-55 UNDER NATCHEZ TRACE, Madison, MS

Built 2002 ADT: 52,000

I 55

Unknown

Over: SR 22

I 55 OVER SR 22, Madison, MS

Built 1997 ADT: 19,500

I 55

Unknown

Over: SR 22

I 55 OVER SR 22, Madison, MS

Built 1999 ADT: 19,000

I 55 N TO I 220W

Unknown

Over: I 55

JCT I 220 AND I 55, Madison, MS

Built 1979 ADT: 50,500

NATCHEZ TRACE

Unknown

Over: US 51

2.3 MI N HINDS CL, Madison, MS

Built 1961 ADT: 15,500

SR 16

Unknown

Over: I 55

SR 16 OVER I 55, Madison, MS

Built 1965 ADT: 12,000

SR 22 BYPASS

Unknown

Over: I 55

SR 22 BYPASS OVER I 55, Madison, MS

Built 2004 ADT: 850

SR 22 BYPASS

Unknown

Over: I 55

SR 22 BYPASS OVER I 55, Madison, MS

Built 2004 ADT: 1,000

NATCHEZ TRACE

Unknown

Over: SR 43

NATCHEZ TRACE OVER SR 43, Madison, MS

Built 1945 ADT: 2,300

SR 463

Unknown

Over: I 55

SR 463 OVER I 55, Madison, MS

Built 2001 ADT: 37,500

SR 857

Unknown

Over: I 55

SR 857 OVER I 55, Madison, MS

Built 2008 ADT: 23,000

OLD AGENCY ROAD

Unknown

Over: I 55

0.2 MI N NATCHEZ TRACE, Madison, MS

Built 2002 ADT: 52,000

GLUCKSTADT ROAD

Unknown

Over: I 55

3.0 MI N SR 463, Madison, MS

Built 2015 ADT: 24,500

OLD JACKSON ROAD

Unknown

Over: I 55

0.7 MI N SR 857, Madison, MS

Built 1961 ADT: 17,000

PISGAH BOTTOM ROAD

Unknown

Over: I 55

4.4 MI N SR 22, Madison, MS

Built 1965 ADT: 12,000

SR 44

Unknown

Over: SR 587

SR 44 OVER SR 587, Marion, MS

Built 2010 ADT: 130

I 269

Unknown

Over: SR 178/BNSF RR/MASON RD

I 269 OVER SR 178, Marshall, MS

Built 2015 ADT: 4,900

I 269

Unknown

Over: SR 178/BNSF RR/MASON RD

I 269 OVER SR 178, Marshall, MS

Built 2015 ADT: 4,500

I-269/SR 304

Unknown

Over: SR 302

I-269 OVER SR 302, Marshall, MS

Built 2013 ADT: 3,950

I-269/SR 304

Unknown

Over: SR 302

I-269 OVER SR 302, Marshall, MS

Built 2013 ADT: 4,950

I 269

Unknown

Over: SR 178/BNSF RR/MASON RD

I 269 OVER SR 178, Marshall, MS

Built 2015 ADT: 4,900

I 269

Unknown

Over: SR 178/BNSF RR/MASON RD

I 269 OVER SR 178, Marshall, MS

Built 2015 ADT: 4,500

Showing 451-500 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.