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 S

Good

Over: WHT OAK HOLLOW CR

S 27 T 21 N R 32 W, McDonald, MO

Built 2021 Load: 40.5 t ADT: 14,032

IS 49 S

Good

Over: RATTLESNAKE HOLW C

S 34 T 21 N R 32 W, McDonald, MO

Built 2021 Load: 40.5 t ADT: 14,032

RT DD S

Good

Over: DRY BR

S 4 T 21 N R 33 W, McDonald, MO

Built 1964 Load: 40.5 t ADT: 272

GALAXY AVE

Good

Over: SANDY CR

S 28 T 65 N R 25 W, Mercer, MO

Built 2001 Load: 40.5 t ADT: 40

RABBIT HEAD RD

Good

Over: RABBITHEAD CR

S 24 T 39 N R 13 W, Miller, MO

Built 1997 Load: 40.5 t ADT: 90

MO 87 S

Good

Over: BURRIS FORK CR

S 21 T 44 N R 15 W, Moniteau, MO

Built 2002 Load: 40.5 t ADT: 1,422

RT O S

Good

Over: W BRUSH CR

S 6 T 45 N R 15 W, Moniteau, MO

Built 1986 Load: 40.5 t ADT: 282

OLD SWISS RD

Good

Over: TRIB OF EAST BRUSH

S 3 T 45 N R 15 W, Moniteau, MO

Built 2023 Load: 40.5 t ADT: 10

COUNTY RD 875

Good

Over: BR ELK FK SALT RVR

S 21 T 54 N R 10 W, Monroe, MO

Built 2005 Load: 40.5 t ADT: 50

RT KK E

Good

Over: TURKEY CR

S 26 T 54 N R 10 W, Monroe, MO

Built 2005 Load: 40.5 t ADT: 109

RT AA E

Good

Over: BEE CRK

S 5 T 53 N R 10 W, Monroe, MO

Built 2024 Load: 40.5 t ADT: 204

RT A S

Good

Over: CROOKED CR

S 15 T 56 N R 11 W, Monroe, MO

Built 1993 Load: 40.5 t ADT: 159

GLAZIER TRAIL RD

Good

Over: BR OF LIT ELKHORN

S 7 T 49 N R 5 W, Montgomery, MO

Built 1988 Load: 40.5 t ADT: 100

SHORT RD

Good

Over: LOUTRE RVR

S 24 T 47 N R 6 W, Montgomery, MO

Built 2010 Load: 40.5 t ADT: 50

RT B E

Good

Over: LOUTRE CR

S 29 T 49 N R 6 W, Montgomery, MO

Built 1987 Load: 40.5 t ADT: 773

IS 70 E

Good

Over: LOUTRE RVR

S 27 T 48 N R 6 W, Montgomery, MO

Built 2021 Load: 40.5 t ADT: 19,591

COUNTY RD 248

Good

Over: DRAIN DTCH NO 4

S 30 T 22 N R 11 E, New Madrid, MO

Built 1997 Load: 40.5 t ADT: 100

COUNTY RD 262

Good

Over: DRAIN DTCH NO 6

S 4 T 21 N R 11 E, New Madrid, MO

Built 1997 Load: 40.5 t ADT: 100

RT D E

Good

Over: LITTLE RIVER DITCH

S 27 T 23 N R 13 E, New Madrid, MO

Built 2008 Load: 40.5 t ADT: 1,128

RT D E

Good

Over: DITCH NO. 43

S 19 T 23 N R 12 E, New Madrid, MO

Built 2019 Load: 40.5 t ADT: 530

RT D E

Good

Over: DITCH #2

S 29 T 23 N R 13 E, New Madrid, MO

Built 2019 Load: 40.5 t ADT: 803

MO 153 S

Good

Over: DRAIN DTCH #8

S 35 T 22 N R 11 E, New Madrid, MO

Built 2022 Load: 40.5 t ADT: 468

MO 153 S

Good

Over: DRAIN DTCH #44

S 36 T 22 N R 11 W, New Madrid, MO

Built 2022 Load: 40.5 t ADT: 571

JAGUAR RD

Good

Over: BUFFALO CR

S 12 T 24 N R 33 W, Newton, MO

Built 1997 Load: 40.5 t ADT: 400

RT NN S

Good

Over: JACOBS BR

S 2 T 26 N R 33 W, Newton, MO

Built 1965 Load: 40.5 t ADT: 6,273

230TH ST

Good

Over: SAND CR

S 35 T 65 N R 37 W, Nodaway, MO

Built 1995 Load: 40.5 t ADT: 5

PANTHER RD

Good

Over: WILDCAT CR TRIB

S 16 T 63 N R 33 W, Nodaway, MO

Built 2003 Load: 40.5 t ADT: 100

180TH ST

Good

Over: MOZINGO CR

S 6 T 65 N R 34 W, Nodaway, MO

Built 2011 Load: 40.5 t ADT: 15

230TH ST

Good

Over: LONG BR

S 32 T 65 N R 34 W, Nodaway, MO

Built 2011 Load: 40.5 t ADT: 35

HAWK RD

Good

Over: WHITE CLOUD CR

S 2 T 64 N R 36 W, Nodaway, MO

Built 2009 Load: 40.5 t ADT: 15

JADE RD

Good

Over: JONES BR

S 4 T 63 N R 35 W, Nodaway, MO

Built 2013 Load: 40.5 t ADT: 15

250TH ST

Good

Over: HONEY CR

S 11 T 64 N R 34 W, Nodaway, MO

Built 2015 Load: 40.5 t ADT: 100

NODAWAY GENTRY RD

Good

Over: TURKEY CR

S 27 T 62 N R 33 W, Nodaway, MO

Built 2020 Load: 40.5 t ADT: 100

NOBLE RD

Good

Over: TRIB OF HONEY CR

S 30 T 66 N R 33 W, Nodaway, MO

Built 2020 Load: 40.5 t ADT: 35

COUNTY RD 711

Good

Over: BUCK ELK CR

S 10 T 41 N R 8 W, Osage, MO

Built 2004 Load: 40.5 t ADT: 45

RT HH E

Good

Over: FK OF BAILEY'S CR

S 17 T 44 N R 7 W, Osage, MO

Built 2012 Load: 40.5 t ADT: 98

RT K W

Good

Over: LATERAL DTCH NO 9

S 8 T 19 N R 12 E, Pemiscot, MO

Built 2019 Load: 40.5 t ADT: 60

RT EE E

Good

Over: DRAIN DTCH NO 259

S 19 T 20 N R 11 E, Pemiscot, MO

Built 2021 Load: 40.5 t ADT: 582

RT EE E

Good

Over: DRAIN DTCH NO 251

S 19 T 20 N R 11 E, Pemiscot, MO

Built 2021 Load: 40.5 t ADT: 582

RT EE E

Good

Over: DRAIN DTCH NO 1

S 19 T 20 N R 11 E, Pemiscot, MO

Built 2021 Load: 40.5 t ADT: 582

RT EE E

Good

Over: DRAIN DTCH NO 258

S 19 T 20 N R 11 E, Pemiscot, MO

Built 2021 Load: 40.5 t ADT: 582

RT EE E

Good

Over: DRAINAGE DITCH 65

S 20 T 20 N R 11 E, Pemiscot, MO

Built 2022 Load: 40.5 t ADT: 582

CR 840

Good

Over: COLFELT BR

S 830 T 36 N R 9 E, Perry, MO

Built 2021 Load: 40.5 t ADT: 10

RT A E

Good

Over: BR OF BRAZEAU CR

S 13 T 34 N R 13 E, Perry, MO

Built 2023 Load: 40.5 t ADT: 890

MO 52 E

Good

Over: FLAT CRK

S 4 T 43 N R 22 W, Pettis, MO

Built 2023 Load: 40.5 t ADT: 2,173

COUNTY RD 8390

Good

Over: BR OF SPRING CR

S 4 T 38 N R 8 W, Phelps, MO

Built 1999 Load: 40.5 t ADT: 50

COUNTY RD 7630

Good

Over: MILL CR

S 16 T 35 N R 9 W, Phelps, MO

Built 2003 Load: 40.5 t ADT: 60

RT B S

Good

Over: BOURBEUSE RIVER

S 4 T 39 N R 6 W, Phelps, MO

Built 2018 Load: 40.5 t ADT: 446

COUNTY RD 006

Good

Over: CROOKED CR

S 6 T 54 N R 4 W, Pike, MO

Built 1998 Load: 40.5 t ADT: 35

COUNTY RD 008

Good

Over: HAW CR

S 22 T 55 N R 3 W, Pike, MO

Built 2003 Load: 40.5 t ADT: 35

Showing 19,401-19,450 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 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.