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)

Missouri37.8%52.8%9.4%GoodFairPoor (structurally 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

COUNTY RD 297

Good

Over: UNNAMED CREEK

S 40 T 62 N R 9 W, Lewis, MO

Built 2019 Load: 34.2 t ADT: 15

MO 47 S

Good

Over: CUIVRE RVR

S 30 T 49 N R 1 E, Lincoln, MO

Built 2001 Load: 34.2 t ADT: 14,260

HARREL RD 630

Good

Over: BOB'S CR

S 27 T 50 N R 1 E, Lincoln, MO

Built 2003 Load: 34.2 t ADT: 50

SILEX RD 511

Good

Over: N FK CUIVRE RVR

S 7 T 50 N R 1 W, Lincoln, MO

Built 2005 Load: 34.2 t ADT: 125

TOLLGATE RD

Good

Over: PAGE BRANCH

S 1706 T 51 N R 2 E, Lincoln, MO

Built 2020 Load: 34.2 t ADT: 600

ARGO RD

Good

Over: BR OF PARSONS CR

S 17 T 59 N R 21 W, Linn, MO

Built 2019 Load: 34.2 t ADT: 10

POLK ST

Good

Over: COON CR

S 34 T 58 N R 24 W, Livingston, MO

Built 1999 Load: 34.2 t ADT: 400

COUNTY RD 226

Good

Over: MUDDY CR

S 18 T 58 N R 22 W, Livingston, MO

Built 2002 Load: 34.2 t ADT: 40

COUNTY RD 525

Good

Over: POLE CAT CR

S 19 T 58 N R 24 W, Livingston, MO

Built 2015 Load: 34.2 t ADT: 55

BISON ST

Good

Over: BRUSH CR

S 10 T 58 N R 17 W, Macon, MO

Built 2011 Load: 34.2 t ADT: 35

RT D S

Good

Over: BNSF RR

S 5 T 60 N R 14 W, Macon, MO

Built 2020 Load: 34.2 t ADT: 2,444

RT Y E

Good

Over: HOOVER CR

S 27 T 56 N R 13 W, Macon, MO

Built 2022 Load: 34.2 t ADT: 461

COUNTY RD 213

Good

Over: MARIES RVR

S 24 T 40 N R 10 W, Maries, MO

Built 1993 Load: 34.2 t ADT: 75

RT N E

Good

Over: MARIES RVR

S 8 T 39 N R 10 W, Maries, MO

Built 2005 Load: 34.2 t ADT: 249

MO 168 E

Good

Over: NORTH RVR

S 17 T 58 N R 8 W, Marion, MO

Built 2012 Load: 34.2 t ADT: 456

RT Z N

Good

Over: S FK NORTH RVR

S 8 T 57 N R 7 W, Marion, MO

Built 2012 Load: 34.2 t ADT: 701

MO 168 W

Good

Over: CLEAR CR

S 12 T 57 N R 5 W, Marion, MO

Built 2015 Load: 34.2 t ADT: 2,228

COUNTY RD 104

Good

Over: BR OF S FABIUS RVR

S 8 T 59 N R 8 W, Marion, MO

Built 2017 Load: 34.2 t ADT: 35

MO 90 E

Good

Over: BIG SUGAR CR

S 2 T 21 N R 30 W, McDonald, MO

Built 2006 Load: 34.2 t ADT: 453

MO 90 E

Good

Over: WOODARD BR

S 36 T 22 N R 30 W, McDonald, MO

Built 2016 Load: 34.2 t ADT: 453

FALCON RD

Good

Over: TRIB SANDY CR

S 21 T 65 N R 25 W, Mercer, MO

Built 2015 Load: 34.2 t ADT: 25

FLAGPOLE RD

Good

Over: TRIB MUDDY CR

S 17 T 65 N R 23 W, Mercer, MO

Built 2015 Load: 34.2 t ADT: 5

BADGER ST

Good

Over: COAL CR

S 16 T 66 N R 25 W, Mercer, MO

Built 2024 Load: 34.2 t ADT: 40

MADDEN FORD RD

Good

Over: TAVERN CR

S 13 T 38 N R 13 W, Miller, MO

Built 2004 Load: 34.2 t ADT: 45

MO 17 S

Good

Over: TAVERN CR

S 7 T 38 N R 12 W, Miller, MO

Built 2004 Load: 34.2 t ADT: 1,881

RT MM S

Good

Over: J BUSTER CREEK

S 2 T 41 N R 14 W, Miller, MO

Built 2012 Load: 34.2 t ADT: 296

MO 52 E

Good

Over: HUMPHREY'S CREEK

S 1 T 40 N R 13 W, Miller, MO

Built 2012 Load: 34.2 t ADT: 368

COUNTY RD 515

Good

Over: TEN MILE POND

S 3 T 24 N R 16 E, Mississippi, MO

Built 1998 Load: 34.2 t ADT: 100

COUNTY RD 522

Good

Over: WOLF HOLE LATERAL

S 32 T 25 N R 16 E, Mississippi, MO

Built 2008 Load: 34.2 t ADT: 100

RT E N

Good

Over: DRY FK

S 28 T 45 N R 16 W, Moniteau, MO

Built 2011 Load: 34.2 t ADT: 472

COUNTY RD 329

Good

Over: OTTER CR

S 20 T 55 N R 9 W, Monroe, MO

Built 2009 Load: 34.2 t ADT: 25

WHITE RD

Good

Over: WHITE OAK CR

S 33 T 50 N R 5 W, Montgomery, MO

Built 1997 Load: 34.2 t ADT: 150

BUSH RD

Good

Over: DRY FK

S 10 T 46 N R 6 W, Montgomery, MO

Built 1998 Load: 34.2 t ADT: 50

RT AA S

Good

Over: COON CR

S 10 T 50 N R 6 W, Montgomery, MO

Built 2011 Load: 34.2 t ADT: 425

INDIAN CREEK LN

Good

Over: INDIAN CR

S 17 T 41 N R 16 W, Morgan, MO

Built 1996 Load: 34.2 t ADT: 100

COFFEE RD

Good

Over: LIT GRAVOIS CR

S 10 T 41 N R 17 W, Morgan, MO

Built 2005 Load: 34.2 t ADT: 40

US 60 W

Good

Over: BNSF RR

S 159 T 26 N R 14 E, New Madrid, MO

Built 1958 Load: 34.2 t ADT: 5,558

COUNTY RD 355

Good

Over: DRAIN DTCH

S 34 T 21 N R 12 E, New Madrid, MO

Built 1992 Load: 34.2 t ADT: 35

COUNTY RD 566

Good

Over: DIST NO 2 DRAIN DT

S 26 T 23 N R 10 E, New Madrid, MO

Built 2002 Load: 34.2 t ADT: 100

COUNTY RD 262

Good

Over: DRAIN DTCH NO 2

S 2 T 21 N R 10 E, New Madrid, MO

Built 2006 Load: 34.2 t ADT: 120

COUNTY RD 268

Good

Over: DITCH NO 6

S 16 T 21 N R 11 E, New Madrid, MO

Built 2007 Load: 34.2 t ADT: 100

COUNTY RD 275

Good

Over: LIT RVR DD NO 2

S 26 T 21 N R 11 E, New Madrid, MO

Built 2008 Load: 34.2 t ADT: 100

MO 153 N

Good

Over: DRAIN DTCH #7

S 34 T 22 N R 11 E, New Madrid, MO

Built 2010 Load: 34.2 t ADT: 468

COUNTY RD 357

Good

Over: OPEN PORTAGE BAY D

S 29 T 21 N R 12 E, New Madrid, MO

Built 2016 Load: 34.2 t ADT: 15

RT P E

Good

Over: MAPLE SLU DTCH

S 4 T 23 N R 15 E, New Madrid, MO

Built 2018 Load: 34.2 t ADT: 646

RT A E

Good

Over: DRAIN DTCH #41

S 18 T 24 N R 13 E, New Madrid, MO

Built 1960 Load: 34.2 t ADT: 59

170TH ST

Good

Over: HONEY CR

S 32 T 66 N R 33 W, Nodaway, MO

Built 2006 Load: 34.2 t ADT: 35

TAYLOR ST

Good

Over: HONEY CR

S 31 T 67 N R 33 W, Nodaway, MO

Built 2015 Load: 34.2 t ADT: 35

RT E S

Good

Over: SANDERS BR

S 2 T 23 N R 4 W, Oregon, MO

Built 1963 Load: 34.2 t ADT: 1,206

RT N S

Good

Over: CONTRARY CR

S 15 T 43 N R 7 W, Osage, MO

Built 2020 Load: 34.2 t ADT: 118

Showing 17,551-17,600 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.