State profile · Below median Poor share

Mississippi bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Mississippi, based on the FHWA National Bridge Inventory.

16,823
Public bridges
52.3%
Good condition
5.9%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Mississippi on the same metric.

WY

Wyoming

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

ID

Idaho

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

MS

Mississippi

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

SC

South Carolina

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

WI

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Mississippi

I 20/I 59

Unknown

Over: US 11, NORFOLK S RR

I20/I59 OVER US 11 SOUTH, Lauderdale, MS

Built 1974 ADT: 5,900

I 20/I 59

Unknown

Over: SR 145

I 20/I 59 OVER SR 145, Lauderdale, MS

Built 1957 ADT: 7,000

I 20/I 59

Unknown

Over: SR 19 SOUTH/SR 39 NORTH

BONITA INTERCHANGE, Lauderdale, MS

Built 1961 ADT: 650

I 20/I 59

Unknown

Over: SR 19 SOUTH/SR 39 NORTH

BONITA INTERCHANGE, Lauderdale, MS

Built 1961 ADT: 6,500

US 45

Unknown

Over: SR 19

US 45 OVER SR 19, Lauderdale, MS

Built 1993 ADT: 7,000

US 45

Unknown

Over: SR 19

US 45 OVER SR 19, Lauderdale, MS

Built 1993 ADT: 6,500

US 45

Unknown

Over: I 59/I 20

US 45 OVER I 59/I 20, Lauderdale, MS

Built 1973 ADT: 12,500

US 45

Unknown

Over: I 59/I 20

US 45 OVER I 59/I 20, Lauderdale, MS

Built 1973 ADT: 14,500

US 45

Unknown

Over: US 80, NORFOLK S RR

0.7 MI N I 59/I 20, Lauderdale, MS

Built 1973 ADT: 3,700

US 45

Unknown

Over: US 80, NORFOLK S RR

0.7 MI N I 59/I 20, Lauderdale, MS

Built 1973 ADT: 5,000

NORFOLK S RR

Unknown

Over: US 80

6.1 MI E US 45, Lauderdale, MS

Built 1945 ADT: 2,300

US 80

Unknown

Over: I 59

US 80 OVER I 59/I 20, Lauderdale, MS

Built 1960 ADT: 11,500

SR 145

Unknown

Over: US 45

4.1 MI N CLARKE CL, Lauderdale, MS

Built 1993 ADT: 4,600

SR 145

Unknown

Over: US 45

SR 145 OVER US 45, Lauderdale, MS

Built 1993 ADT: 4,600

SR 145

Unknown

Over: US 45

SR 145 OVER US 45, Lauderdale, MS

Built 1993 ADT: 4,450

PEAVY ROAD

Unknown

Over: I 20

1.0 MI E NEWTON CL, Lauderdale, MS

Built 1965 ADT: 9,500

SUQUALENA MEEHAN

Unknown

Over: I 20

2.1 MI E NEWTON CL, Lauderdale, MS

Built 1965 ADT: 10,500

SUQUALENA GRAHAM

Unknown

Over: I 20

4.0 MI E NEWTON CL, Lauderdale, MS

Built 1965 ADT: 10,500

US 80

Unknown

Over: I 20

US 80 WEST INTERCHANGE, Lauderdale, MS

Built 1965 ADT: 10,500

DUNNS FALL ROAD

Unknown

Over: I 59

1.3 MI N CLARKE CL, Lauderdale, MS

Built 1965 ADT: 6,000

MEEHAN-SAVOY ROAD

Unknown

Over: I 59

3.2 MI N CLARKE CL, Lauderdale, MS

Built 1965 ADT: 6,500

ARUNDEL ROAD

Unknown

Over: I 59

8.2 MI N CLARKE CL, Lauderdale, MS

Built 1965 ADT: 7,000

SWEET GUM BOTTOM

Unknown

Over: I 59/I 20

0.9 MI N US 45, Lauderdale, MS

Built 1959 ADT: 12,500

MURPHY ROAD

Unknown

Over: I 59/I 20

1.8 MI N US 45, Lauderdale, MS

Built 1959 ADT: 12,500

GORDY HARPER ROAD

Unknown

Over: I 59/I 20

2.4 MI N US 45, Lauderdale, MS

Built 1959 ADT: 12,500

RUSSELL ROAD

Unknown

Over: I 59/I 20

3.4 MI N US 45, Lauderdale, MS

Built 1959 ADT: 12,500

DEES ROAD

Unknown

Over: I 59/I 20

4.7 MI N US 45, Lauderdale, MS

Built 1961 ADT: 12,500

RADCLIFF ROAD

Unknown

Over: I 59/I 20

5.0 MI N US 45, Lauderdale, MS

Built 1961 ADT: 12,500

WILL GARRETT ROAD

Unknown

Over: I 59/I 20

7.8 MI N US 45, Lauderdale, MS

Built 1961 ADT: 12,500

SMITH SPUR ROAD

Unknown

Over: I 59/I 20

9.9 MI N US 45, Lauderdale, MS

Built 1960 ADT: 10,500

KEWANEE ROAD

Unknown

Over: I 59/I 20

1.0 MI N US 80, Lauderdale, MS

Built 1970 ADT: 10,500

CUBA ROAD

Unknown

Over: I 59/I 20

2.6 MI N US 80, Lauderdale, MS

Built 1970 ADT: 10,500

49TH AVE

Unknown

Over: I 59/I 20

0.5 MI E US 11, Lauderdale, MS

Built 1973 ADT: 21,000

49TH AVE

Unknown

Over: I 59/I 20

0.5 MI E US 11, Lauderdale, MS

Built 1973 ADT: 25,000

29TH AVE

Unknown

Over: I 59/I 20

1.5 MI E US 11, Lauderdale, MS

Built 1973 ADT: 23,000

23RD AVE. EAST

Unknown

Over: I 59/I 20

1.3 MI EAST OF SR 39, Lauderdale, MS

Built 2011 ADT: 15,000

M & B RR

Unknown

Over: CAUSEYVILLE RD

SEC 7 T 5N R17E B, Lauderdale, MS

Built 1923 ADT: 400

ICG RR

Unknown

Over: OLD HWY 80

SEC 20 T 6N R15E, Lauderdale, MS

Built 1915 ADT: 460

US 84

Unknown

Over: SR 27

US 84 OVER SR 27, Lawrence, MS

Built 2006 ADT: 3,400

US 84

Unknown

Over: SR 27

US 84 OVER SR 27, Lawrence, MS

Built 2006 ADT: 3,400

OLD SR 27

Unknown

Over: US 84

1.0 MI E SR 27, Lawrence, MS

Built 2006 ADT: 4,200

NATCHEZ TRACE

Unknown

Over: SR 16

NATCHEZ TRACE OVER SR 16, Leake, MS

Built 1949 ADT: 3,800

SR 16

Unknown

Over: SR 25

SR 16 OVER SR 25, Leake, MS

Built 1998 ADT: 3,650

SR 16

Unknown

Over: SR 25

SR 16 OVER SR 25, Leake, MS

Built 1997 ADT: 3,650

SR 25

Unknown

Over: SR 35

SR 25 OVER SR 35, Leake, MS

Built 1999 ADT: 2,200

SR 25

Unknown

Over: SR 35

SR 25 OVER SR 35, Leake, MS

Built 1999 ADT: 3,100

US 45

Unknown

Over: US 45A

US 45 OVER US 45A, Lee, MS

Built 1994 ADT: 5,500

US 45

Unknown

Over: US 45A

US 45 OVER US 45A, Lee, MS

Built 1994 ADT: 9,250

KCS RR

Unknown

Over: US 45

8.2 MI N MONROE CL, Lee, MS

Built 1981 ADT: 12,500

US 45

Unknown

Over: SR 6 AND SR 178

US 45 OVER SR 6, Lee, MS

Built 1976 ADT: 8,750

Showing 351-400 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.