State profile · Near national median SD

Missouri bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Missouri — drawn straight from the FHWA National Bridge Inventory.

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

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 rated 0-4

Structurally Deficient

8.5%

2,104 bridges flagged for repair priority

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 — Structurally deficient share 28.4%
National avg

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

Condition Distribution

Bridge inventory deck-condition mix — Missouri (FHWA NBI)

Missouri34.50150077066601%48.14228928368622%8.53411211162489%8.53411211162489%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Missouri (FHWA NBI)

Missouri vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Missouri on the same metric.

17

Illinois

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

25

Massachusetts

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

29

Missouri

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

26

Michigan

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

02

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 composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Missouri

US 63 S

Unknown

Over: PATTERSON ST

S 11 T 62 N R 15 W, Adair, MO

Built 2009 ADT: 600

US 63 S

Unknown

Over: BU 63

S 28 T 63 N R 15 W, Adair, MO

Built 2009 ADT: 6,646

BU 63 N

Unknown

Over: US 63

S 27 T 62 N R 15 W, Adair, MO

Built 2010 ADT: 3,988

US 59 S

Unknown

Over: IS 29

S 31 T 60 N R 36 W, Andrew, MO

Built 1966 ADT: 12,374

IS 29 S

Unknown

Over: CRD 404

S 15 T 59 N R 36 W, Andrew, MO

Built 1966 ADT: 58

IS 29 N

Unknown

Over: CRD 404

S 15 T 59 N R 36 W, Andrew, MO

Built 1966 ADT: 58

RT K S

Unknown

Over: IS 29

S 23 T 59 N R 36 W, Andrew, MO

Built 1965 ADT: 11,855

IS 29 S

Unknown

Over: RT T

S 25 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 897

IS 29 N

Unknown

Over: RT T

S 25 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 897

IS 29 S

Unknown

Over: RT DD

S 4 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 673

IS 29 N

Unknown

Over: RT DD

S 4 T 58 N R 35 W, Andrew, MO

Built 1965 ADT: 673

US 71 N

Unknown

Over: US 59

S 6 T 59 N R 35 W, Andrew, MO

Built 1985 ADT: 2,244

US 59 N

Unknown

Over: RT T

S 20 T 59 N R 35 W, Andrew, MO

Built 1985 ADT: 1,939

US 71 S

Unknown

Over: US 59

S 6 T 59 N R 35 W, Andrew, MO

Built 1999 ADT: 2,244

US 59 S

Unknown

Over: RT T

S 20 T 59 N R 35 W, Andrew, MO

Built 1999 ADT: 897

US 59 S

Unknown

Over: CRD 427

S 8 T 59 N R 35 W, Andrew, MO

Built 1999 ADT: 118

372 E

Unknown

Over: IS 229

S 5 T 58 N R 35 W, Andrew, MO

Built 1985 ADT: 1,823

US 59 N

Unknown

Over: CRD 427

S 8 T 59 N R 35 W, Andrew, MO

Built 1985 ADT: 118

369 E

Unknown

Over: US 59

S 29 T 59 N R 35 W, Andrew, MO

Built 1985 ADT: 5,304

IS 229 N

Unknown

Over: CRD 385

S 19 T 57 N R 35 W, Andrew, MO

Built 1983 ADT: 10

LP 29 S

Unknown

Over: IS 29

S 10 T 58 N R 35 W, Andrew, MO

Built 1962 ADT: 10,965

US 59 N

Unknown

Over: IS 29

S 10 T 58 N R 35 W, Andrew, MO

Built 1962 ADT: 14,082

369 E

Unknown

Over: IS 29

S 31 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 11,598

IS 229 S

Unknown

Over: CRD 375

S 8 T 58 N R 35 W, Andrew, MO

Built 1985 ADT: 58

IS 229 N

Unknown

Over: CRD 375

S 8 T 58 N R 35 W, Andrew, MO

Built 1985 ADT: 58

RT K S

Unknown

Over: IS 229

S 18 T 58 N R 35 W, Andrew, MO

Built 1983 ADT: 3,129

IS 229 S

Unknown

Over: CRD 385

S 19 T 58 N R 35 W, Andrew, MO

Built 1983 ADT: 10

IS 29 N

Unknown

Over: US 59

S 32 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 3,341

IS 29 N

Unknown

Over: RP IS229N TO US59N

S 32 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 1,834

IS 29 S

Unknown

Over: RP IS29N TO IS229S

S 32 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 66

IS 29 S

Unknown

Over: RP IS229N TO US59N

S 32 T 59 N R 35 W, Andrew, MO

Built 1965 ADT: 1,834

IS 29 S

Unknown

Over: LEVEE MAINT. RD

S 3 T 66 N R 42 W, Atchison, MO

Built 1971 ADT: 25

IS 29 N

Unknown

Over: LEVEE MAINT. RD

S 3 T 66 N R 42 W, Atchison, MO

Built 1971 ADT: 4

C AVE S

Unknown

Over: IS 29

S 2 T 66 N R 42 W, Atchison, MO

Built 1971 ADT: 8,146

DAYTON AVE S

Unknown

Over: IS 29

S 24 T 66 N R 42 W, Atchison, MO

Built 1971 ADT: 7,569

RT A E

Unknown

Over: IS 29

S 1 T 65 N R 41 W, Atchison, MO

Built 1971 ADT: 8,146

RED STAR RD E

Unknown

Over: IS 29

S 19 T 65 N R 41 W, Atchison, MO

Built 1969 ADT: 9,106

US 136 E

Unknown

Over: IS 29

S 32 T 65 N R 41 W, Atchison, MO

Built 1969 ADT: 11,738

RT W S

Unknown

Over: IS 29

S 19 T 63 N R 40 W, Atchison, MO

Built 1973 ADT: 8,286

MO 111 S

Unknown

Over: IS 29

S 9 T 64 N R 41 W, Atchison, MO

Built 2021 ADT: 9,779

280 ST E

Unknown

Over: IS 29

S 26 T 64 N R 41 W, Atchison, MO

Built 1973 ADT: 9,366

RT Z E

Unknown

Over: IS 29

S 2 T 63 N R 41 W, Atchison, MO

Built 1973 ADT: 9,366

MO 15 S

Unknown

Over: US 54

S 14 T 50 N R 9 W, Audrain, MO

Built 1991 ADT: 2,357

815 S

Unknown

Over: US 54

S 12 T 50 N R 9 W, Audrain, MO

Built 1991 ADT: 4,514

IS 49 S

Unknown

Over: US 160

S 26 T 32 N R 31 W, Barton, MO

Built 1972 ADT: 5,296

IS 49 N

Unknown

Over: US 160

S 26 T 32 N R 31 W, Barton, MO

Built 1972 ADT: 5,296

MO 126 E

Unknown

Over: IS 49

S 26 T 31 N R 31 W, Barton, MO

Built 2009 ADT: 6,442

RT DD E

Unknown

Over: IS 49

S 2 T 32 N R 31 W, Barton, MO

Built 2010 ADT: 7,484

RT C E

Unknown

Over: IS 49

S 23 T 33 N R 31 W, Barton, MO

Built 2010 ADT: 7,805

SE 30TH RD E

Unknown

Over: IS 49

S 1 T 31 N R 31 W, Barton, MO

Built 2011 ADT: 6,442

Showing 1-50 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 Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.