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

BU 13 S

Unknown

Over: US 24

S 3 T 51 N R 27 W, Lafayette, MO

Built 1956 ADT: 1,443

BLACKJACK RD S

Unknown

Over: IS 70

S 31 T 49 N R 25 W, Lafayette, MO

Built 1963 ADT: 15,077

RT KK S

Unknown

Over: IS 70

S 2 T 48 N R 25 W, Lafayette, MO

Built 1963 ADT: 15,150

WALKENHORST RD S

Unknown

Over: IS 70

S 31 T 49 N R 24 W, Lafayette, MO

Built 1963 ADT: 15,185

IS 70 E

Unknown

Over: MO 23

S 33 T 49 N R 24 W, Lafayette, MO

Built 1963 ADT: 1,842

IS 70 W

Unknown

Over: MO 23

S 33 T 49 N R 24 W, Lafayette, MO

Built 1963 ADT: 2,333

RT Y S

Unknown

Over: IS 70

S 6 T 48 N R 24 W, Lafayette, MO

Built 1960 ADT: 15,354

MO 39 S

Unknown

Over: IS 44

S 32 T 28 N R 26 W, Lawrence, MO

Built 2009 ADT: 17,826

IS 44 E

Unknown

Over: RT H

S 2 T 27 N R 27 W, Lawrence, MO

Built 2019 ADT: 4,576

IS 44 E

Unknown

Over: CRD 1147

S 32 T 28 N R 26 W, Lawrence, MO

Built 2019 ADT: 230

IS 44 W

Unknown

Over: RT H

S 2 T 27 N R 27 W, Lawrence, MO

Built 2020 ADT: 4,576

IS 44 E

Unknown

Over: CRD 1222

S 34 T 29 N R 25 W, Lawrence, MO

Built 2020 ADT: 230

IS 44 W

Unknown

Over: CRD 1222

S 34 T 24 N R 25 W, Lawrence, MO

Built 2020 ADT: 230

RT O S

Unknown

Over: IS 44

S 25 T 29 N R 25 W, Lawrence, MO

Built 1960 ADT: 19,769

US 60 E

Unknown

Over: CRD 1150

S 20 T 26 N R 26 W, Lawrence, MO

Built 1961 ADT: 458

MO 97 S

Unknown

Over: IS 44

S 2 T 27 N R 28 W, Lawrence, MO

Built 1963 ADT: 17,003

MO 174 E

Unknown

Over: IS 44

S 22 T 28 N R 26 W, Lawrence, MO

Built 1964 ADT: 17,045

1010 S

Unknown

Over: IS 44

S 1 T 27 N R 29 W, Lawrence, MO

Built 1963 ADT: 17,180

RT F E

Unknown

Over: IS 44

S 4 T 27 N R 28 W, Lawrence, MO

Built 1963 ADT: 17,180

RT N S

Unknown

Over: IS 44

S 8 T 28 N R 25 W, Lawrence, MO

Built 1964 ADT: 17,045

1100 S

Unknown

Over: IS 44

S 3 T 27 N R 27 W, Lawrence, MO

Built 1964 ADT: 17,003

MO 16 E

Unknown

Over: US 61

S 34 T 62 N R 6 W, Lewis, MO

Built 1974 ADT: 4,365

RT P S

Unknown

Over: US 61

S 34 T 62 N R 6 W, Lewis, MO

Built 1974 ADT: 7,505

SUNFLOWER ST E

Unknown

Over: US 61

S 14 T 61 N R 6 W, Lewis, MO

Built 1974 ADT: 7,505

RT C E

Unknown

Over: US 61

S 26 T 61 N R 6 W, Lewis, MO

Built 1974 ADT: 5,005

US 61 S

Unknown

Over: CRD 572 (OYSTER ST)

S 2 T 60 N R 6 W, Lewis, MO

Built 1974 ADT: 230

US 61 S

Unknown

Over: RT B

S 11 T 60 N R 6 W, Lewis, MO

Built 1974 ADT: 1,657

US 61 N

Unknown

Over: RT B

S 11 T 60 N R 6 W, Lewis, MO

Built 1974 ADT: 1,657

US 61 N

Unknown

Over: CRD 572 (OYSTER ST)

S 2 T 60 N R 6 W, Lewis, MO

Built 2001 ADT: 230

MO 47 S

Unknown

Over: US 61

S 25 T 49 N R 1 W, Lincoln, MO

Built 1969 ADT: 18,126

EAST CHERRY ST E

Unknown

Over: US 61

S 25 T 49 N R 1 W, Lincoln, MO

Built 1970 ADT: 18,126

OLD CAP AU GRIS RD

Unknown

Over: US 61

S 25 T 49 N R 1 W, Lincoln, MO

Built 1970 ADT: 18,126

RT KK E

Unknown

Over: US 61

S 2 T 49 N R 1 W, Lincoln, MO

Built 1976 ADT: 11,183

RT C E

Unknown

Over: US 61

S 389 T 48 N R 1 E, Lincoln, MO

Built 2006 ADT: 23,127

RT U E

Unknown

Over: US 61

S 1733 T 48 N R 1 E, Lincoln, MO

Built 2009 ADT: 22,686

RT C E

Unknown

Over: MO 79

S 179 T 48 N R 2 E, Lincoln, MO

Built 1985 ADT: 11,312

MO 79 S

Unknown

Over: CRD DYER RD

S 1795 T 48 N R 2 E, Lincoln, MO

Built 1985 ADT: 118

SOUTH LINCOLN DR S

Unknown

Over: US 61

S 36 T 49 N R 1 W, Lincoln, MO

Built 2012 ADT: 18,863

RT U S

Unknown

Over: US 36

S 8 T 57 N R 18 W, Linn, MO

Built 1977 ADT: 4,571

MO 11 S

Unknown

Over: US 36

S 7 T 57 N R 19 W, Linn, MO

Built 1983 ADT: 6,183

US 65 S

Unknown

Over: US 36

S 12 T 57 N R 24 W, Livingston, MO

Built 1964 ADT: 4,549

US 65 N

Unknown

Over: US 36

S 12 T 57 N R 24 W, Livingston, MO

Built 1964 ADT: 5,138

US 36 E

Unknown

Over: CST GANTZ ST

S 16 T 57 N R 14 W, Macon, MO

Built 1971 ADT: 1,316

US 36 W

Unknown

Over: CST GANTZ ST

S 16 T 57 N R 14 W, Macon, MO

Built 1971 ADT: 1,316

US 63 S

Unknown

Over: US 36

S 9 T 57 N R 14 W, Macon, MO

Built 1971 ADT: 5,183

MO 3 S

Unknown

Over: US 36

S 7 T 57 N R 15 W, Macon, MO

Built 2002 ADT: 5,248

MO 149 S

Unknown

Over: US 36

S 7 T 57 N R 16 W, Macon, MO

Built 2004 ADT: 5,802

US 36 E

Unknown

Over: CRD LONG BRANCH LAKE RD

S 18 T 57 N R 14 W, Macon, MO

Built 1984 ADT: 421

US 36 W

Unknown

Over: CRD LONG BRANCH LAKE RD

S 18 T 57 N R 14 W, Macon, MO

Built 1984 ADT: 421

CO HICKORY ST TO O

Unknown

Over: US 36

S 13 T 57 N R 15 W, Macon, MO

Built 1994 ADT: 5,501

Showing 1,151-1,200 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.