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

US 49

Unknown

Over: SR 149 & CNIC RR

2.0 MI N SR 28, Simpson, MS

Built 1965 ADT: 2,200

US 49

Unknown

Over: SR 149 & CNIC RR

2.0 MI N SR 28, Simpson, MS

Built 1965 ADT: 3,600

US 49

Unknown

Over: SR 13

US 49 OVER SR 13, Simpson, MS

Built 1961 ADT: 6,600

US 49

Unknown

Over: SR 13

US 49 OVER SR 13, Simpson, MS

Built 1961 ADT: 6,600

SR 13

Unknown

Over: SR 149

SR 13 OVER SR 149, Simpson, MS

Built 1960 ADT: 6,300

CNIC RR

Unknown

Over: SR 28/SR 149

0.6 MI E US 49, Simpson, MS

Built 1928 ADT: 5,000

US 49

Unknown

Over: SR 26

US 49 OVER SR 26, Stone, MS

Built 1965 ADT: 9,300

US 49

Unknown

Over: SR 26

US 49 OVER SR 26, Stone, MS

Built 1965 ADT: 7,700

SR 26

Unknown

Over: SR 149

SR 26 OVER SR 149, Stone, MS

Built 1955 ADT: 6,900

I 55

Unknown

Over: SR 4

I 55 OVER SR 4, Tate, MS

Built 1959 ADT: 7,000

I 55

Unknown

Over: SR 4

I 55 OVER SR 4, Tate, MS

Built 1959 ADT: 7,000

I 55

Unknown

Over: SR 306

I 55 OVER SR 306, Tate, MS

Built 2020 ADT: 7,600

I 55

Unknown

Over: SR 306

I 55 OVER SR 306, Tate, MS

Built 2020 ADT: 7,600

SR 740

Unknown

Over: I 55

SR 740 OVER I 55, Tate, MS

Built 2006 ADT: 12,500

SR 740

Unknown

Over: I 55

SR 740 OVER I 55, Tate, MS

Built 2006 ADT: 12,500

RIFLE RANGE ROAD

Unknown

Over: I 55

2.9 MI N SR 4, Tate, MS

Built 1959 ADT: 14,500

PEYTON ROAD

Unknown

Over: I 55

1.0 MI S SR 306, Tate, MS

Built 1959 ADT: 14,500

KCS RR

Unknown

Over: SR 15

IN RIPLEY, Tippah, MS

Built 1940 ADT: 13,000

US 72

Unknown

Over: SR 25

10.3 MI E ALCORN CL, Tishomingo, MS

Built 1986 ADT: 2,825

US 72

Unknown

Over: SR 25

10.3 MI E ALCORN CL, Tishomingo, MS

Built 1986 ADT: 3,100

NATCHEZ TRACE

Unknown

Over: SR 4

4.1 MI E PRENTISS CL, Tishomingo, MS

Built 1982 ADT: 1,600

NATCHEZ TRACE

Unknown

Over: SR 25

5.7 MI N BELMONT, Tishomingo, MS

Built 1982 ADT: 3,800

KCS RR

Unknown

Over: SR 25

2.9 MI S TENN ST LINE, Tishomingo, MS

Built 1974 ADT: 3,200

REDMONT RR

Unknown

Over: SR 30

1.6 MI W SR 25, Tishomingo, MS

Built 1955 ADT: 2,100

NATCHEZ TRACE

Unknown

Over: SR 30

4.6 MI E SR 25, Tishomingo, MS

Built 1982 ADT: 400

SR 365

Unknown

Over: US 72

SR 365 OVER US 72, Tishomingo, MS

Built 1967 ADT: 6,000

US 78

Unknown

Over: SR 15

US 78 OVER SR 15, Union, MS

Built 1968 ADT: 11,000

US 78

Unknown

Over: SR 15

US 78 OVER SR 15, Union, MS

Built 1968 ADT: 13,000

TOYOTA RR SPUR

Unknown

Over: I 22/SR 780/RAMP

0.7 MI W SR 9 NORTH, Union, MS

Built 2011 ADT: 12,250

US 78

Unknown

Over: SR 9

US 78 OVER SR 9 NORTH, Union, MS

Built 1978 ADT: 2,300

US 78

Unknown

Over: SR 9

US 78 OVER SR 9 NORTH, Union, MS

Built 1978 ADT: 2,300

US 78 RAMP

Unknown

Over: SR 9

COLL. RD OVER SR 9 NORTH, Union, MS

Built 2011 ADT: 2,500

SR 30

Unknown

Over: I 22

SR 30 OVER I 22, Union, MS

Built 1965 ADT: 12,500

TOYOTA RR SPUR

Unknown

Over: SR 178

0.7 MI W SR 9 NORTH, Union, MS

Built 2011 ADT: 1,700

BURLINGTON N RR

Unknown

Over: SR 178

0.7 MI W PONTOTOC CL, Union, MS

Built 1935 ADT: 1,700

COUNTY ROAD 2

Unknown

Over: I 22

1.4 MI E BENTON CL, Union, MS

Built 1993 ADT: 11,000

COUNTY ROAD 515

Unknown

Over: I 22

4.8 MI E BENTON CL, Union, MS

Built 1993 ADT: 11,000

COUNTY ROAD 51

Unknown

Over: I 22

6.1 MI E BENTON CL, Union, MS

Built 1993 ADT: 8,500

COUNTY ROAD 67

Unknown

Over: I 22

7.8 MI E BENTON CL, Union, MS

Built 1972 ADT: 8,500

MUNSFORD DRIVE

Unknown

Over: I 22

1.0 MI W SR 30, Union, MS

Built 1972 ADT: 8,500

S GLENFIELD ROAD

Unknown

Over: I 22

0.5 MI W SR 30, Union, MS

Built 1972 ADT: 7,000

COUNTY ROAD 107

Unknown

Over: I 22

3.4 MI E SR 15, Union, MS

Built 1979 ADT: 11,000

COUNTY ROAD 121

Unknown

Over: I 22

4.0 MI E SR 15, Union, MS

Built 1979 ADT: 8,500

COUNTY ROAD 205

Unknown

Over: I 22

7.3 MI E SR 15, Union, MS

Built 1979 ADT: 8,500

COUNTY ROAD 203

Unknown

Over: I 22

1.1 MI W SR 9, Union, MS

Built 1978 ADT: 11,000

HILLCREST DRIVE

Unknown

Over: I 22

0.4 MI W SR 15, Union, MS

Built 1965 ADT: 13,000

BURLINGTON NORTHEN

Unknown

Over: SNYDER AVENUE

SEC 8 T 7S R 3E, Union, MS

Built 1970 ADT: 250

MS & TN RR

Unknown

Over: MAIN STREET

SEC 8 T 7S R 3E, Union, MS

Built 1950 ADT: 700

I 20

Unknown

Over: US 61N TO I20W RAMP

1.5 MI E LA ST LINE, Warren, MS

Built 1971 ADT: 1,200

I 20

Unknown

Over: I 20 W TO US 61S RAMP

1.7 MI E LA ST LINE, Warren, MS

Built 1971 ADT: 6,800

Showing 701-750 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.