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

RT B E

Unknown

Over: MO 7

S 24 T 43 N R 29 W, Cass, MO

Built 1987 ADT: 7,960

RT F S

Unknown

Over: MO 7

S 26 T 44 N R 30 W, Cass, MO

Built 1986 ADT: 9,616

MO 291 S

Unknown

Over: IS 49

S 5 T 41 N R 31 W, Cass, MO

Built 2014 ADT: 20,867

MO 291 N

Unknown

Over: IS 49

S 5 T 41 N R 31 W, Cass, MO

Built 2014 ADT: 20,566

PECULIAR WAY E

Unknown

Over: IS 49

S 9 T 45 N R 32 W, Cass, MO

Built 2015 ADT: 24,997

MO 7 S

Unknown

Over: IS 49

S 16 T 44 N R 31 W, Cass, MO

Built 2023 ADT: 10,479

MO 7 S

Unknown

Over: IS 49

S 16 T 44 N R 31 W, Cass, MO

Built 2023 ADT: 10,479

MO 14 E

Unknown

Over: US 65

S 22 T 27 N R 21 W, Christian, MO

Built 1977 ADT: 23,239

RT F E

Unknown

Over: US 65

S 28 T 27 N R 21 W, Christian, MO

Built 1996 ADT: 15,926

SELMORE OVERPASS E

Unknown

Over: US 65

S 9 T 26 N R 21 W, Christian, MO

Built 1996 ADT: 16,477

RT EE E

Unknown

Over: US 65

S 21 T 26 N R 21 W, Christian, MO

Built 1996 ADT: 16,477

RT J E

Unknown

Over: US 65

S 3 T 27 N R 21 W, Christian, MO

Built 1987 ADT: 32,646

RT J W

Unknown

Over: US 65

S 3 T 27 N R 21 W, Christian, MO

Built 2016 ADT: 32,646

MO 27 N

Unknown

Over: US 136

S 32 T 65 N R 6 W, Clark, MO

Built 2002 ADT: 2,670

MO 27 S

Unknown

Over: US 136

S 32 T 65 N R 6 W, Clark, MO

Built 2002 ADT: 3,872

US 61 S

Unknown

Over: MO 27

S 8 T 64 N R 6 W, Clark, MO

Built 2006 ADT: 2,759

IS 35 S

Unknown

Over: MO 92

S 27 T 53 N R 31 W, Clay, MO

Built 1965 ADT: 15,571

IS 35 N

Unknown

Over: MO 92

S 27 T 53 N R 31 W, Clay, MO

Built 1965 ADT: 15,571

IS 35 S

Unknown

Over: MO 33

S 27 T 53 N R 31 W, Clay, MO

Built 1965 ADT: 13,368

IS 35 N

Unknown

Over: MO 33

S 27 T 53 N R 31 W, Clay, MO

Built 1965 ADT: 13,368

MO 152 W

Unknown

Over: CST MAPLEWOODS PKWY

S 1 T 51 N R 33 W, Clay, MO

Built 1999 ADT: 1,063

MO 152 E

Unknown

Over: CST MAPLEWOODS PKWY

S 1 T 51 N R 33 W, Clay, MO

Built 1999 ADT: 1,063

US 169 S

Unknown

Over: CST NW 68TH ST

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

Built 2000 ADT: 14,263

RP IS35S TO IS435S

Unknown

Over: IS 35

S 27 T 51 N R 32 W, Clay, MO

Built 1969 ADT: 32,542

RP IS435N TO IS35S

Unknown

Over: RP IS35S TO IS435S

S 27 T 51 N R 32 W, Clay, MO

Built 1969 ADT: 14,172

RP US69S TO IS35S

Unknown

Over: RP IS435N TO IS35N

S 27 T 51 N R 32 W, Clay, MO

Built 1969 ADT: 13,440

RP IS35N TO IS435S

Unknown

Over: US 69

S 27 T 51 N R 32 W, Clay, MO

Built 1969 ADT: 4,688

RP IS435N TO IS35N

Unknown

Over: US 69

S 27 T 51 N R 32 W, Clay, MO

Built 1969 ADT: 5,782

RP IS29S TO US169S

Unknown

Over: US 69

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

Built 1965 ADT: 3,870

US 169 S

Unknown

Over: US 69

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

Built 1965 ADT: 3,870

RP US169N TO IS29N

Unknown

Over: US 69

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

Built 1965 ADT: 3,597

US 169 N

Unknown

Over: US 69

S 334 T 51 N R 33 W, Clay, MO

Built 1965 ADT: 3,870

RP US169S TO MO9N

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1965 ADT: 5,614

US 169 N

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1975 ADT: 12,261

US 169 S

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1965 ADT: 5,614

US 169 S

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1975 ADT: 10,126

US 169 N

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1965 ADT: 10,126

RP US169N TO MO9N

Unknown

Over: MO 9

S 10 T 50 N R 33 W, Clay, MO

Built 1965 ADT: 10,126

IS 29 N

Unknown

Over: US 169

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

Built 1965 ADT: 30,944

US 169 S

Unknown

Over: IS 29

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

Built 1965 ADT: 54,703

RP US169N TO IS29N

Unknown

Over: US 169

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

Built 1965 ADT: 29,619

US 169 N

Unknown

Over: RP US169S TO IS29S

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

Built 1965 ADT: 12,662

US 169 S

Unknown

Over: CST NW BRIARCLIFF PKWY

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

Built 1965 ADT: 1,897

US 169 N

Unknown

Over: CST NW BRIARCLIFF PKWY

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

Built 1965 ADT: 1,897

IS 435 N

Unknown

Over: CST NE 48TH ST

S 3 T 50 N R 32 W, Clay, MO

Built 1968 ADT: 8,576

IS 435 S

Unknown

Over: CST NE 48TH ST

S 3 T 50 N R 32 W, Clay, MO

Built 1968 ADT: 8,576

IS 435 N

Unknown

Over: CST NE PARVIN RD

S 3 T 50 N R 32 W, Clay, MO

Built 1968 ADT: 10,189

IS 435 S

Unknown

Over: CST NE PARVIN RD

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

Built 1968 ADT: 10,189

RP IS35S TO IS29N

Unknown

Over: RP IS29N TO DAVIDSON RD

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

Built 1967 ADT: 1,720

RP IS29S TO IS35N

Unknown

Over: CST N DAVIDSON RD

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

Built 1967 ADT: 6,658

Showing 301-350 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.