State profile · Near median Poor share

Missouri bridge safety

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

24,654
Public bridges
34.5%
Good condition
8.5%
Poor condition

Data updated May 2026

Total Bridges

24,654

Public highway bridges in Missouri

Good Condition

34.5%

8,506 bridges rated 7-9

-15.5pp vs 50% benchmark

Poor Condition

8.5%

2,104 bridges whose lowest applicable component is rated 0-4

1.5pp vs national avg 7.0%

Missouri vs national bridge condition

Missouri - Good condition share 34.5%
National avg

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

Missouri - Poor-condition share 28.4%
National avg

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

Missouri 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 Missouri on the same metric.

IL

Illinois

7.88% top marginal rate
Structure
Progressive
Burden @ $100K
$27,743

MA

Massachusetts

7.96% top marginal rate
Structure
Progressive
Burden @ $100K
$5,314
Selected

MO

Missouri

8.53% top marginal rate
Structure
Progressive
Burden @ $100K
$24,654

MI

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188

AK

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909

Bridges Needing Most Attention in Missouri

Six lowest-condition bridges in Missouri, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Missouri

BU 63 S

Unknown

Over: US 63

S 36 T 54 N R 14 W, Randolph, MO

Built 2004 ADT: 5,562

RT T E

Unknown

Over: MO 10

S 36 T 52 N R 28 W, Ray, MO

Built 1992 ADT: 7,144

WELLINGTON ST S

Unknown

Over: MO 10

S 31 T 52 N R 27 W, Ray, MO

Built 1992 ADT: 6,971

MO 10 E

Unknown

Over: MO 13

S 32 T 52 N R 27 W, Ray, MO

Built 1994 ADT: 9,983

WOLLARD BLVD S

Unknown

Over: MO 10

S 32 T 52 N R 27 W, Ray, MO

Built 1994 ADT: 4,818

MO 13 S

Unknown

Over: RT J

S 13 T 51 N R 27 W, Ray, MO

Built 2004 ADT: 2,470

MO 13 N

Unknown

Over: RT J

S 13 T 51 N R 27 W, Ray, MO

Built 2004 ADT: 2,470

MO 13 N

Unknown

Over: CRD E 84TH ST

S 9 T 51 N R 27 W, Ray, MO

Built 2004 ADT: 445

MO 13 S

Unknown

Over: CRD E 84TH ST

S 9 T 51 N R 27 W, Ray, MO

Built 2004 ADT: 445

CO NOR70 TO SOR70

Unknown

Over: IS 70

S 5 T 48 N R 23 W, Saline, MO

Built 1960 ADT: 15,354

MO 127 S

Unknown

Over: IS 70

S 2 T 48 N R 23 W, Saline, MO

Built 1961 ADT: 14,981

LEMON TRL S

Unknown

Over: IS 70

S 8 T 48 N R 20 W, Saline, MO

Built 1961 ADT: 14,600

RT J S

Unknown

Over: IS 70

S 10 T 48 N R 20 W, Saline, MO

Built 1961 ADT: 14,712

NITROGEN AVE S

Unknown

Over: IS 70

S 11 T 48 N R 20 W, Saline, MO

Built 1961 ADT: 14,712

IS 70 E

Unknown

Over: US 65

S 10 T 48 N R 21 W, Saline, MO

Built 1960 ADT: 3,776

IS 70 W

Unknown

Over: US 65

S 10 T 48 N R 21 W, Saline, MO

Built 1960 ADT: 3,878

MO 41 S

Unknown

Over: RT O

S 11 T 50 N R 21 W, Saline, MO

Built 1973 ADT: 573

RT YY S

Unknown

Over: IS 70

S 6 T 48 N R 22 W, Saline, MO

Built 2021 ADT: 15,355

RT HH E

Unknown

Over: IS 55

S 3 T 26 N R 14 E, Scott, MO

Built 1998 ADT: 11,613

RT AB E

Unknown

Over: IS 55

S 26 T 30 N R 13 E, Scott, MO

Built 1961 ADT: 22,967

RT H S

Unknown

Over: IS 55

S 27 T 27 N R 14 E, Scott, MO

Built 2011 ADT: 12,533

US 61 N

Unknown

Over: IS 55

S 17 T 29 N R 14 E, Scott, MO

Built 2017 ADT: 12,204

BU 61 S

Unknown

Over: RT M

S 2191 T 29 N R 14 E, Scott, MO

Built 2020 ADT: 9,702

IS 55 S

Unknown

Over: RT U

S 10 T 27 N R 14 E, Scott, MO

Built 1962 ADT: 733

IS 55 N

Unknown

Over: RT U

S 10 T 27 N R 14 E, Scott, MO

Built 1962 ADT: 733

MO 77 S

Unknown

Over: IS 55

S 17 T 28 N R 14 E, Scott, MO

Built 1962 ADT: 11,577

IS 55 S

Unknown

Over: US 62

S 15 T 26 N R 14 E, Scott, MO

Built 1962 ADT: 16,017

IS 55 N

Unknown

Over: US 62

S 15 T 26 N R 14 E, Scott, MO

Built 1962 ADT: 13,732

IS 55 S

Unknown

Over: IS 57

S 27 T 26 N R 14 E, Scott, MO

Built 1962 ADT: 8,838

IS 55 N

Unknown

Over: IS 57

S 27 T 26 N R 14 E, Scott, MO

Built 1962 ADT: 7,018

RT C E

Unknown

Over: IS 55

S 3 T 27 N R 14 E, Scott, MO

Built 1962 ADT: 12,533

RT E E

Unknown

Over: IS 55

S 8 T 28 N R 14 E, Scott, MO

Built 1962 ADT: 12,204

RT AA S

Unknown

Over: US 60

S 27 T 26 N R 14 E, Scott, MO

Built 1962 ADT: 4,583

IS 55 S

Unknown

Over: RT M

S 6 T 29 N R 14 E, Scott, MO

Built 1962 ADT: 9,702

IS 55 N

Unknown

Over: RT M

S 6 T 29 N R 14 E, Scott, MO

Built 1962 ADT: 9,702

MO 19 S

Unknown

Over: RND SPRGCAV RD PRK

S 20 T 30 N R 4 W, Shannon, MO

Built 1930 ADT: 200

MO 15 S

Unknown

Over: US 36

S 32 T 57 N R 10 W, Shelby, MO

Built 2002 ADT: 2,251

MO 151 S

Unknown

Over: US 36

S 8 T 57 N R 12 W, Shelby, MO

Built 2007 ADT: 3,882

US 36 W

Unknown

Over: RT FF

S 25 T 57 N R 11 W, Shelby, MO

Built 2007 ADT: 162

RP MO370W TO IS70E

Unknown

Over: MO 370

S 29 T 47 N R 4 E, St. Charles, MO

Built 1994 ADT: 15,048

MO 370 E

Unknown

Over: CST LAKESIDE PARK DR

S 1786 T 47 N R 4 E, St. Charles, MO

Built 1995 ADT: 2,000

SPENCER RD S

Unknown

Over: OR 70

S 1799 T 47 N R 4 E, St. Charles, MO

Built 1995 ADT: 9,547

RESEARCH PARK CIR

Unknown

Over: IS 64

S 34 T 46 N R 3 E, St. Charles, MO

Built 1998 ADT: 45,018

HAWKS NEST DR E

Unknown

Over: IS 70

S 3280 T 46 N R 4 E, St. Charles, MO

Built 1998 ADT: 58,791

RT DD N

Unknown

Over: IS 64

S 13 T 46 N R 2 E, St. Charles, MO

Built 2000 ADT: 29,749

WOODLAWN AVE S

Unknown

Over: IS 70

S 29 T 47 N R 3 E, St. Charles, MO

Built 1999 ADT: 51,860

HERITAGE CROSSING

Unknown

Over: MO 94

S 10 T 46 N R 4 E, St. Charles, MO

Built 2000 ADT: 32,922

T R HUGHES BLVD S

Unknown

Over: IS 70

S 27 T 47 N R 3 E, St. Charles, MO

Built 2000 ADT: 51,946

MO 94 E

Unknown

Over: IS 64

S 28 T 46 N R 3 E, St. Charles, MO

Built 2000 ADT: 44,418

MO 94 E

Unknown

Over: MO 364

S 11 T 46 N R 4 E, St. Charles, MO

Built 2000 ADT: 28,001

Showing 1,501-1,550 of 24,654 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.