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

IS 49 N

Unknown

Over: CRD GOODIN HOLLOW RD

S 3 T 21 N R 32 W, McDonald, MO

Built 2005 ADT: 230

IS 49 S

Unknown

Over: CRD GOODIN HOLLOW RD

S 3 T 21 N R 32 W, McDonald, MO

Built 2005 ADT: 230

IS 49 N

Unknown

Over: US 71

S 10 T 21 N R 32 W, McDonald, MO

Built 2021 ADT: 2,917

MO 90 E

Unknown

Over: IS 49

S 22 T 21 N R 32 W, McDonald, MO

Built 2020 ADT: 7,619

US 54 E

Unknown

Over: MO 87

S 35 T 42 N R 15 W, Miller, MO

Built 2001 ADT: 3,286

US 54 W

Unknown

Over: MO 87

S 35 T 42 N R 15 W, Miller, MO

Built 2001 ADT: 3,286

US 54 E

Unknown

Over: BU 54

S 26 T 42 N R 15 W, Miller, MO

Built 1973 ADT: 2,294

US 54 W

Unknown

Over: BU 54

S 26 T 42 N R 15 W, Miller, MO

Built 1973 ADT: 2,294

US 54 E

Unknown

Over: CRD OLD TUSCUMBIA RD

S 10 T 41 N R 15 W, Miller, MO

Built 1973 ADT: 116

US 54 W

Unknown

Over: CRD OLD TUSCUMBIA RD

S 10 T 41 N R 15 W, Miller, MO

Built 1973 ADT: 116

MO 52 E

Unknown

Over: US 54

S 15 T 41 N R 15 W, Miller, MO

Built 1972 ADT: 7,340

MO 242 W

Unknown

Over: US 54

S 32 T 40 N R 15 W, Miller, MO

Built 2009 ADT: 11,964

US 54 W

Unknown

Over: BU 54

S 19 T 40 N R 15 W, Miller, MO

Built 2020 ADT: 5,489

US 54 E

Unknown

Over: BU 54

S 17 T 40 N R 15 W, Miller, MO

Built 2020 ADT: 5,489

US 62 E

Unknown

Over: IS 57

S 10 T 28 N R 21 W, Mississippi, MO

Built 1972 ADT: 7,634

218 E

Unknown

Over: IS 57

S 35 T 27 N R 16 E, Mississippi, MO

Built 1974 ADT: 4,874

RT J S

Unknown

Over: IS 57

S 19 T 27 N R 16 E, Mississippi, MO

Built 1975 ADT: 6,058

RT CC S

Unknown

Over: IS 57

S 24 T 26 N R 14 E, Mississippi, MO

Built 1959 ADT: 7,588

RT B S

Unknown

Over: IS 57

S 17 T 26 N R 15 E, Mississippi, MO

Built 1959 ADT: 9,163

401 S

Unknown

Over: IS 57

S 11 T 26 N R 15 E, Mississippi, MO

Built 1959 ADT: 9,032

MO 105 S

Unknown

Over: IS 57

S 17 T 26 N R 16 E, Mississippi, MO

Built 1960 ADT: 9,032

RT UU S

Unknown

Over: IS 57

S 9 T 26 N R 16 E, Mississippi, MO

Built 1959 ADT: 7,313

MO 87 S

Unknown

Over: US 50

S 33 T 45 N R 15 W, Moniteau, MO

Built 2008 ADT: 4,310

MO 161 S

Unknown

Over: IS 70

S 25 T 48 N R 6 W, Montgomery, MO

Built 2018 ADT: 19,591

RT N S

Unknown

Over: IS 70

S 30 T 48 N R 6 W, Montgomery, MO

Built 2020 ADT: 18,304

RT F S

Unknown

Over: IS 70

S 4 T 47 N R 4 W, Montgomery, MO

Built 1961 ADT: 20,388

RT E E

Unknown

Over: IS 70

S 12 T 47 N R 3 W, Montgomery, MO

Built 1961 ADT: 18,500

FLEAHMAN RD S

Unknown

Over: IS 70

S 2 T 47 N R 4 W, Montgomery, MO

Built 1961 ADT: 20,388

RT EE E

Unknown

Over: IS 55

S 25 T 22 N R 13 E, New Madrid, MO

Built 1966 ADT: 9,172

MO 162 E

Unknown

Over: IS 55

S 30 T 21 N R 13 E, New Madrid, MO

Built 1966 ADT: 9,517

RT M E

Unknown

Over: IS 55

S 3 T 21 N R 13 E, New Madrid, MO

Built 1966 ADT: 9,501

INGRAM RD S

Unknown

Over: US 60

S 32 T 26 N R 14 E, New Madrid, MO

Built 2022 ADT: 7,030

US 60 E

Unknown

Over: US 61

S 689 T 26 N R 14 E, New Madrid, MO

Built 1992 ADT: 15,715

US 60 W

Unknown

Over: US 61

S 689 T 26 N R 14 E, New Madrid, MO

Built 1992 ADT: 15,715

RT AA S

Unknown

Over: IS 55

S 34 T 26 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,439

820 E

Unknown

Over: IS 55

S 22 T 25 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,439

RT U E

Unknown

Over: IS 55

S 2704 T 23 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,404

604 E

Unknown

Over: IS 55

S 16 T 24 N R 14 E, New Madrid, MO

Built 1964 ADT: 8,732

MO 80 E

Unknown

Over: IS 55

S 2 T 24 N R 14 E, New Madrid, MO

Built 1964 ADT: 9,677

RT P E

Unknown

Over: IS 55

S 3 T 23 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,509

US 61 S

Unknown

Over: IS 55

S 16 T 23 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,404

US 61 S

Unknown

Over: IS 55

S 710 T 22 N R 14 E, New Madrid, MO

Built 1964 ADT: 10,465

IS 49 S

Unknown

Over: US 60

S 34 T 25 N R 32 W, Newton, MO

Built 1998 ADT: 11,481

IS 49 N

Unknown

Over: US 60

S 34 T 25 N R 32 W, Newton, MO

Built 1999 ADT: 13,179

IS 49 N

Unknown

Over: CRD POPPY DR

S 19 T 24 N R 32 W, Newton, MO

Built 1998 ADT: 690

IS 49 S

Unknown

Over: CRD POPPY DR

S 19 T 24 N R 32 W, Newton, MO

Built 1998 ADT: 690

RT AA E

Unknown

Over: IS 49

S 19 T 24 N R 32 W, Newton, MO

Built 1998 ADT: 9,382

SORREL RD E

Unknown

Over: IS 49

S 30 T 24 N R 32 W, Newton, MO

Built 1998 ADT: 8,118

US 60 E

Unknown

Over: CST PINEVILLE RD

S 31 T 25 N R 31 W, Newton, MO

Built 1959 ADT: 1,779

MO 59 S

Unknown

Over: CRD IRIS RD

S 3 T 24 N R 31 W, Newton, MO

Built 1984 ADT: 68

Showing 1,251-1,300 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.