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

IS 55 S

Unknown

Over: CST FIFTH ST

S 416 T 40 N R 6 E, Jefferson, MO

Built 2011 ADT: 3,218

RT H E

Unknown

Over: CRD CALICO RD

S 30 T 40 N R 3 E, Jefferson, MO

Built 1992 ADT: 230

RT M E

Unknown

Over: CRD OLD LEMAY FERRY RD

S 21 T 42 N R 5 E, Jefferson, MO

Built 1996 ADT: 1,810

RT M W

Unknown

Over: CRD OLD LEMAY FERRY RD

S 21 T 42 N R 5 E, Jefferson, MO

Built 1996 ADT: 1,765

MO 21 N

Unknown

Over: RT M

S 18 T 42 N R 5 E, Jefferson, MO

Built 1997 ADT: 6,617

MO 21 S

Unknown

Over: RT M

S 18 T 42 N R 5 E, Jefferson, MO

Built 1997 ADT: 6,617

RT M E

Unknown

Over: CRD OLD HWY M

S 20 T 42 N R 5 E, Jefferson, MO

Built 1996 ADT: 1,191

RT M W

Unknown

Over: CRD OLD HWY M

S 20 T 42 N R 5 E, Jefferson, MO

Built 1996 ADT: 1,270

RP RICHARDSON RD T

Unknown

Over: IS 55

S 31 T 43 N R 6 E, Jefferson, MO

Built 1996 ADT: 50,028

RICHARDSON RD E

Unknown

Over: IS 55

S 31 T 43 N R 6 E, Jefferson, MO

Built 1996 ADT: 62,016

IS 55 S

Unknown

Over: CST CENTRAL AVE

S 416 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 2,327

IS 55 N

Unknown

Over: CST CENTRAL AVE

S 416 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 2,327

IS 55 S

Unknown

Over: US 67

S 1906 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 20,578

IS 55 N

Unknown

Over: US 67

S 1906 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 8,448

IS 55 S

Unknown

Over: CST THIRD ST

S 416 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 1,168

IS 55 N

Unknown

Over: CST THIRD ST

S 416 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 1,168

WEST MAIN ST E

Unknown

Over: IS 55

S 416 T 40 N R 6 E, Jefferson, MO

Built 1966 ADT: 34,794

IS 55 S

Unknown

Over: CST HERKY-HORINE RD

S 19 T 41 N R 6 E, Jefferson, MO

Built 1965 ADT: 884

IS 55 N

Unknown

Over: CST HERKY-HORINE RD

S 19 T 41 N R 6 E, Jefferson, MO

Built 1965 ADT: 884

IS 55 S

Unknown

Over: CST MCNUTT ST

S 30 T 41 N R 5 E, Jefferson, MO

Built 1965 ADT: 5,229

IS 55 N

Unknown

Over: CST MCNUTT ST

S 30 T 41 N R 5 E, Jefferson, MO

Built 1965 ADT: 5,770

IS 55 S

Unknown

Over: RT Z

S 420 T 41 N R 6 E, Jefferson, MO

Built 1965 ADT: 8,278

IS 55 N

Unknown

Over: RT Z

S 420 T 41 N R 6 E, Jefferson, MO

Built 1965 ADT: 8,265

PVT MANLEY QUARRY

Unknown

Over: IS 55

S 1986 T 41 N R 6 E, Jefferson, MO

Built 1966 ADT: 34,794

BU 13 S

Unknown

Over: US 50

S 13 T 46 N R 26 W, Johnson, MO

Built 1959 ADT: 9,395

HOLDEN ST S

Unknown

Over: US 50

S 13 T 46 N R 26 W, Johnson, MO

Built 1959 ADT: 9,466

US 50 E

Unknown

Over: MO 13

S 16 T 46 N R 25 W, Johnson, MO

Built 2009 ADT: 5,709

US 50 W

Unknown

Over: MO 13

S 16 T 46 N R 25 W, Johnson, MO

Built 2009 ADT: 5,709

BU 50 W

Unknown

Over: US 50

S 18 T 46 N R 25 W, Johnson, MO

Built 1983 ADT: 10,540

MO 23 S

Unknown

Over: US 50

S 21 T 46 N R 24 W, Johnson, MO

Built 1995 ADT: 7,017

RT F S

Unknown

Over: IS 44

S 28 T 35 N R 15 W, Laclede, MO

Built 1972 ADT: 14,836

RT N S

Unknown

Over: IS 44

S 19 T 35 N R 14 W, Laclede, MO

Built 1972 ADT: 15,050

DOVE RD E

Unknown

Over: IS 44

S 5 T 33 N R 16 W, Laclede, MO

Built 1978 ADT: 17,684

RT MM W

Unknown

Over: IS 44

S 12 T 34 N R 16 W, Laclede, MO

Built 2002 ADT: 14,836

MO 5 S

Unknown

Over: IS 44

S 11 T 34 N R 16 W, Laclede, MO

Built 1977 ADT: 14,949

ELM ST N

Unknown

Over: IS 44

S 22 T 34 N R 16 W, Laclede, MO

Built 2007 ADT: 16,310

RT A S

Unknown

Over: IS 44

S 22 T 33 N R 17 W, Laclede, MO

Built 1959 ADT: 17,684

RT J E

Unknown

Over: IS 44

S 7 T 32 N R 17 W, Laclede, MO

Built 1967 ADT: 18,889

MO 224 E

Unknown

Over: MO 13

S 26 T 51 N R 27 W, Lafayette, MO

Built 2001 ADT: 2,495

US 24 E

Unknown

Over: MO 13

S 35 T 51 N R 27 W, Lafayette, MO

Built 2001 ADT: 2,607

IS 70 E

Unknown

Over: CRD UNDERPASS RD

S 36 T 49 N R 27 W, Lafayette, MO

Built 2018 ADT: 58

IS 70 W

Unknown

Over: CRD UNDERPASS RD

S 36 T 49 N R 27 W, Lafayette, MO

Built 2018 ADT: 58

RT E S

Unknown

Over: IS 70

S 32 T 49 N R 26 W, Lafayette, MO

Built 2018 ADT: 14,799

RT T S

Unknown

Over: IS 70

S 33 T 49 N R 25 W, Lafayette, MO

Built 2022 ADT: 15,150

MO 13 S

Unknown

Over: IS 70

S 36 T 49 N R 26 W, Lafayette, MO

Built 1990 ADT: 15,077

RT D S

Unknown

Over: IS 70

S 36 T 49 N R 28 W, Lafayette, MO

Built 1963 ADT: 19,637

MO 131 S

Unknown

Over: IS 70

S 35 T 49 N R 29 W, Lafayette, MO

Built 1963 ADT: 17,964

JOHNSON DR S

Unknown

Over: IS 70

S 31 T 49 N R 27 W, Lafayette, MO

Built 1963 ADT: 17,964

RT WW S

Unknown

Over: IS 70

S 33 T 49 N R 28 W, Lafayette, MO

Built 1963 ADT: 19,637

RT M S

Unknown

Over: IS 70

S 34 T 49 N R 27 W, Lafayette, MO

Built 1960 ADT: 15,677

Showing 1,101-1,150 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.