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

NW 108TH ST E

Unknown

Over: US 169

S 27 T 52 N R 33 W, Clay, MO

Built 2011 ADT: 10,075

N FLINTLOCK RD S

Unknown

Over: OR 35

S 14 T 51 N R 32 W, Clay, MO

Built 2013 ADT: 9,020

MO 291 S

Unknown

Over: IS 35

S 1 T 51 N R 32 W, Clay, MO

Built 2013 ADT: 29,041

IS 35 N

Unknown

Over: CST PLEASANT VALLEY RD

S 22 T 51 N R 32 W, Clay, MO

Built 2014 ADT: 3,507

IS 35 S

Unknown

Over: CST PLEASANT VALLEY RD

S 22 T 51 N R 32 W, Clay, MO

Built 2014 ADT: 3,507

IS 35 N

Unknown

Over: US 69

S 23 T 51 N R 32 W, Clay, MO

Built 2014 ADT: 3,815

IS 35 S

Unknown

Over: US 69

S 23 T 51 N R 32 W, Clay, MO

Built 2014 ADT: 3,815

IS 35 N

Unknown

Over: CST POE AVE

S 28 T 51 N R 32 W, Clay, MO

Built 2015 ADT: 818

IS 35 S

Unknown

Over: CST POE AVE

S 28 T 51 N R 32 W, Clay, MO

Built 2015 ADT: 818

MO 10 E

Unknown

Over: CST MARIETTA ST

S 1 T 52 N R 30 W, Clay, MO

Built 2015 ADT: 1,356

IS 435 S

Unknown

Over: CST N MERSINGTON AVE

S 18 T 52 N R 32 W, Clay, MO

Built 1983 ADT: 10

IS 435 N

Unknown

Over: MO 210

S 9 T 50 N R 32 W, Clay, MO

Built 2016 ADT: 11,373

IS 435 S

Unknown

Over: MO 210

S 9 T 50 N R 32 W, Clay, MO

Built 2016 ADT: 11,373

IS 35 N

Unknown

Over: US 69

S 31 T 52 N R 31 W, Clay, MO

Built 2017 ADT: 12,569

IS 35 S

Unknown

Over: US 69

S 30 T 52 N R 31 W, Clay, MO

Built 2017 ADT: 12,569

US 169 N

Unknown

Over: CST NW 68TH ST

S 22 T 51 N R 33 W, Clay, MO

Built 1985 ADT: 16,240

MO 152 E

Unknown

Over: IS 35

S 11 T 51 N R 32 W, Clay, MO

Built 2019 ADT: 33,312

RP IS35S TO MO152E

Unknown

Over: IS 35

S 11 T 51 N R 32 W, Clay, MO

Built 2019 ADT: 30,710

NE 53RD TER E

Unknown

Over: IS 435

S 34 T 51 N R 32 W, Clay, MO

Built 2021 ADT: 33,912

19TH ST E

Unknown

Over: IS 35

S 33 T 53 N R 31 W, Clay, MO

Built 2022 ADT: 21,373

US 169 S

Unknown

Over: CST HARLEM RD

S 26 T 50 N R 33 W, Clay, MO

Built 2021 ADT: 2,917

US 169 S

Unknown

Over: ACCESS BRIDGE

S 11 T 50 N R 33 W, Clay, MO

Built 1975 ADT: 100

US 169 S

Unknown

Over: RP LOU HOLLAND DR TO US1

S 14 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 505

US 169 N

Unknown

Over: CST HARLEM RD

S 26 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 2,917

US 169 N

Unknown

Over: CST HARLEM RD

S 26 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 5,834

MO 152 W

Unknown

Over: CST N BRIGHTON AVE

S 8 T 51 N R 32 W, Clay, MO

Built 1997 ADT: 4,557

MO 152 W

Unknown

Over: MO 1

S 8 T 51 N R 32 W, Clay, MO

Built 1997 ADT: 9,113

US 169 N

Unknown

Over: CST NW ENGLEWOOD RD

S 27 T 51 N R 33 W, Clay, MO

Built 1996 ADT: 5,892

US 169 S

Unknown

Over: CST NW ENGLEWOOD RD

S 27 T 51 N R 33 W, Clay, MO

Built 1996 ADT: 5,892

IS 35 S

Unknown

Over: CST LIGHTBURNE RD

S 29 T 52 N R 31 W, Clay, MO

Built 1965 ADT: 5,557

IS 35 N

Unknown

Over: CST LIGHTBURNE RD

S 29 T 52 N R 31 W, Clay, MO

Built 1965 ADT: 5,557

IS 435 S

Unknown

Over: CST N LEVEE RD

S 9 T 50 N R 32 W, Clay, MO

Built 1972 ADT: 2

IS 35 S

Unknown

Over: MO 269

S 6 T 50 N R 32 W, Clay, MO

Built 1954 ADT: 11,518

IS 35 N

Unknown

Over: MO 269

S 6 T 50 N R 32 W, Clay, MO

Built 1954 ADT: 11,518

IS 35 N

Unknown

Over: MO 1

S 1 T 50 N R 32 W, Clay, MO

Built 1954 ADT: 5,770

IS 35 S

Unknown

Over: MO 1

S 1 T 50 N R 32 W, Clay, MO

Built 1954 ADT: 12,761

N BRIGHTON AVE S

Unknown

Over: IS 35

S 32 T 51 N R 32 W, Clay, MO

Built 1954 ADT: 33,788

SP 69 S

Unknown

Over: IS 35

S 32 T 51 N R 32 W, Clay, MO

Built 1954 ADT: 33,788

IS 29 N

Unknown

Over: IS 35

S 1 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 27,700

IS 29 S

Unknown

Over: CST NE PARVIN RD

S 1 T 50 N R 33 W, Clay, MO

Built 1954 ADT: 5,728

IS 29 N

Unknown

Over: CST NE PARVIN RD

S 1 T 50 N R 33 W, Clay, MO

Built 1954 ADT: 5,728

IS 29 S

Unknown

Over: CST N DAVIDSON RD

S 1 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 6,658

IS 29 N

Unknown

Over: CST N DAVIDSON RD

S 1 T 50 N R 33 W, Clay, MO

Built 1955 ADT: 6,658

IS 29 N

Unknown

Over: CST N OAK TRFY

S 2 T 50 N R 33 W, Clay, MO

Built 1957 ADT: 10,599

IS 29 S

Unknown

Over: CST N OAK TRFY

S 2 T 50 N R 33 W, Clay, MO

Built 1957 ADT: 6,381

IS 29 N

Unknown

Over: RP US169S TO IS29S

S 34 T 51 N R 33 W, Clay, MO

Built 1957 ADT: 12,662

IS 29 S

Unknown

Over: US 69

S 3 T 50 N R 33 W, Clay, MO

Built 1957 ADT: 3,597

IS 29 N

Unknown

Over: US 69

S 2 T 50 N R 33 W, Clay, MO

Built 1957 ADT: 3,597

BRYANT ST S

Unknown

Over: IS 35

S 28 T 51 N R 32 W, Clay, MO

Built 1958 ADT: 32,542

US 69 S

Unknown

Over: IS 35

S 32 T 51 N R 32 W, Clay, MO

Built 1958 ADT: 33,788

Showing 401-450 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.