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 49 S

Unknown

Over: IS 44

S 16 T 27 N R 32 W, Jasper, MO

Built 1993 ADT: 19,953

RT FF E

Unknown

Over: IS 49

S 16 T 27 N R 32 W, Jasper, MO

Built 1993 ADT: 12,782

CEDAR RD E

Unknown

Over: IS 49

S 3 T 27 N R 31 W, Jasper, MO

Built 1996 ADT: 9,556

RT FF E

Unknown

Over: IS 44

S 17 T 27 N R 32 W, Jasper, MO

Built 1996 ADT: 19,953

LP 44 E

Unknown

Over: IS 44

S 7 T 27 N R 31 W, Jasper, MO

Built 1960 ADT: 18,904

IS 44 E

Unknown

Over: MO 59

S 9 T 27 N R 31 W, Jasper, MO

Built 1960 ADT: 7,526

IS 44 W

Unknown

Over: MO 59

S 9 T 27 N R 31 W, Jasper, MO

Built 1960 ADT: 7,526

100 S

Unknown

Over: IS 44

S 5 T 27 N R 30 W, Jasper, MO

Built 1962 ADT: 16,966

IS 44 E

Unknown

Over: MO 37

S 11 T 27 N R 30 W, Jasper, MO

Built 1962 ADT: 2,299

IS 44 W

Unknown

Over: MO 37

S 1 T 27 N R 30 W, Jasper, MO

Built 1962 ADT: 1,447

RT U S

Unknown

Over: IS 44

S 4 T 27 N R 29 W, Jasper, MO

Built 1962 ADT: 17,180

OLD HWY 21 S

Unknown

Over: RT M

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

Built 1995 ADT: 6,237

RT A E

Unknown

Over: IS 55

S 194 T 40 N R 6 E, Jefferson, MO

Built 1999 ADT: 33,707

MO 21 N

Unknown

Over: CRD KLABLE RD

S 31 T 42 N R 5 E, Jefferson, MO

Built 2000 ADT: 118

MO 21 S

Unknown

Over: CRD KLABLE RD

S 31 T 42 N R 6 E, Jefferson, MO

Built 2000 ADT: 118

MO 141 S

Unknown

Over: IS 55

S 2991 T 43 N R 6 E, Jefferson, MO

Built 2001 ADT: 52,440

CHURCH RD E

Unknown

Over: IS 55

S 2991 T 43 N R 6 E, Jefferson, MO

Built 2001 ADT: 52,440

US 61 S

Unknown

Over: IS 55

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

Built 1969 ADT: 16,639

RT AA E

Unknown

Over: IS 55

S 2 T 39 N R 6 E, Jefferson, MO

Built 1970 ADT: 13,411

DANBY RD E

Unknown

Over: IS 55

S 12 T 39 N R 6 E, Jefferson, MO

Built 1970 ADT: 13,348

RT TT S

Unknown

Over: IS 55

S 2078 T 39 N R 7 E, Jefferson, MO

Built 1970 ADT: 13,348

IS 55 S

Unknown

Over: US 61

S 28 T 40 N R 6 E, Jefferson, MO

Built 1969 ADT: 2,403

IS 55 N

Unknown

Over: US 61

S 28 T 40 N R 6 E, Jefferson, MO

Built 1969 ADT: 2,403

MO 110 E

Unknown

Over: US 67

S 4 T 39 N R 5 E, Jefferson, MO

Built 1975 ADT: 14,763

MO 141 S

Unknown

Over: MO 21

S 664 T 43 N R 5 E, Jefferson, MO

Built 1976 ADT: 16,242

RT A E

Unknown

Over: CRD STATE HWY 21A OLD

S 910 T 40 N R 5 E, Jefferson, MO

Built 1974 ADT: 464

MO 21 S

Unknown

Over: CRD OLD HWY 21

S 32 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 8,287

MO 21 N

Unknown

Over: CRD OLD HWY 21

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

Built 1987 ADT: 5,346

WEST FOUR RIDGE RD

Unknown

Over: MO 21

S 7 T 42 N R 5 E, Jefferson, MO

Built 1988 ADT: 10,855

MO 21 S

Unknown

Over: CRD HEADS CREEK RD

S 19 T 42 N R 5 E, Jefferson, MO

Built 1990 ADT: 148

MO 21 N

Unknown

Over: CRD HEADS CREEK RD

S 19 T 42 N R 5 E, Jefferson, MO

Built 1990 ADT: 148

MO 21 N

Unknown

Over: CRD OLD HWY 21

S 197 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 11,228

MO 21 S

Unknown

Over: CRD OLD HWY 21

S 1974 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 11,228

OLD HWY 21 S

Unknown

Over: MO 21

S 30 T 42 N R 5 E, Jefferson, MO

Built 1996 ADT: 9,759

MO 21 S

Unknown

Over: OR 21

S 22 T 43 N R 5 E, Jefferson, MO

Built 1978 ADT: 5,752

MO 21 N

Unknown

Over: CRD LONEDELL RD

S 22 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 1,693

MO 21 S

Unknown

Over: CRD LONEDELL RD

S 22 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 1,693

OLD HWY 21 S

Unknown

Over: MO 21

S 27 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 11,430

WEST ROCK CREEK RD

Unknown

Over: MO 21

S 28 T 43 N R 5 E, Jefferson, MO

Built 1987 ADT: 11,430

IMPERIAL MAIN ST E

Unknown

Over: IS 55

S 17 T 42 N R 6 E, Jefferson, MO

Built 2003 ADT: 52,260

RT V S

Unknown

Over: US 67

S 5 T 38 N R 5 E, Jefferson, MO

Built 2003 ADT: 12,975

MO 21 N

Unknown

Over: RT BB

S 33 T 41 N R 4 E, Jefferson, MO

Built 2003 ADT: 1,707

MO 21 S

Unknown

Over: RT BB

S 33 T 41 N R 4 E, Jefferson, MO

Built 2003 ADT: 1,707

RT A E

Unknown

Over: MO 21

S 34 T 41 N R 4 E, Jefferson, MO

Built 2003 ADT: 8,809

OLD HWY 21 S

Unknown

Over: MO 21

S 2 T 41 N R 4 E, Jefferson, MO

Built 2007 ADT: 8,192

GLADE CHAPEL RD E

Unknown

Over: MO 21

S 12 T 41 N R 4 E, Jefferson, MO

Built 2007 ADT: 8,809

MO 21 N

Unknown

Over: CRD HAYDEN RD

S 23 T 41 N R 4 E, Jefferson, MO

Built 2007 ADT: 102

MO 21 S

Unknown

Over: CRD HAYDEN RD

S 23 T 41 N R 4 E, Jefferson, MO

Built 2007 ADT: 102

IS 55 N

Unknown

Over: RT M

S 747 T 42 N R 6 E, Jefferson, MO

Built 2010 ADT: 6,895

IS 55 S

Unknown

Over: RT M

S 25 T 42 N R 6 E, Jefferson, MO

Built 2010 ADT: 21,406

Showing 1,051-1,100 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.