State profile · Near median Poor share

Missouri bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Missouri, based on the FHWA National Bridge Inventory.

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

Data updated May 2026

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 whose lowest applicable component is rated 0-4

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 - Poor-condition share 28.4%
National avg

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

Condition Distribution

Missouri37.8%52.8%9.4%GoodFairPoor
Bridge inventory deck-condition mix - Missouri (FHWA NBI)

Counties (115)

Adair 301 Andrew 162 Atchison 191 Audrain 314 Barry 166 Barton 214 Bates 319 Benton 135 Bollinger 125 Boone 334 Buchanan 246 Butler 227 Caldwell 208 Callaway 303 Camden 92 Cape Girardeau 374 Carroll 372 Carter 48 Cass 377 Cedar 112 Chariton 289 Christian 121 Clark 178 Clay 436 Clinton 152 Cole 227 Cooper 193 Crawford 118 Dade 161 Dallas 114 Daviess 222 DeKalb 237 Dent 75 Douglas 75 Dunklin 214 Franklin 333 Gasconade 143 Gentry 246 Greene 493 Grundy 187 Harrison 331 Henry 264 Hickory 57 Holt 167 Howard 133 Howell 189 Iron 129 Jackson 930 Jasper 471 Jefferson 411 Johnson 477 Knox 167 Laclede 119 Lafayette 238 Lawrence 234 Lewis 171 Lincoln 189 Linn 313 Livingston 185 Macon 291 Madison 118 Maries 69 Marion 186 McDonald 148 Mercer 137 Miller 142 Mississippi 99 Moniteau 93 Monroe 178 Montgomery 163 Morgan 105 New Madrid 282 Newton 310 Nodaway 396 Oregon 84 Osage 100 Ozark 82 Pemiscot 206 Perry 120 Pettis 243 Phelps 156 Pike 226 Platte 285 Polk 185 Pulaski 104 Putnam 213 Ralls 138 Randolph 163 Ray 185 Reynolds 91 Ripley 116 Saline 230 Schuyler 120 Scotland 201 Scott 182 Shannon 63 Shelby 109 St. Charles 418 St. Clair 139 St. Francois 165 St. Louis 912 St. Louis city 240 Ste. Genevieve 104 Stoddard 434 Stone 64 Sullivan 224 Taney 151 Texas 162 Vernon 403 Warren 152 Washington 158 Wayne 198 Webster 190 Worth 81 Wright 131

Missouri vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Missouri on the same metric.

IL

Illinois

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

MA

Massachusetts

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

MO

Missouri

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

MI

Michigan

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

AK

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

RICHFIELD RD

Poor

Over: RUSH CR

S 9 T 51 N R 31 W, Clay, MO

Built 1920 Load: 0.9 t ADT: 900

COUNTY RD E-330

Poor

Over: BROF BRUSH CR

S 22 T 35 N R 24 W, Polk, MO

Built 1900 Load: 0.9 t ADT: 45

COUNTY RD S-80

Poor

Over: BEAR CR

S 17 T 33 N R 23 W, Polk, MO

Built 1900 Load: 0.9 t ADT: 30

NOVA AVE

Poor

Over: BUCK CR

S 25 T 52 N R 20 W, Saline, MO

Built 1948 Load: 0.9 t ADT: 35

COUNTY RD 537

Poor

Over: HOLLIDAY CR

S 5 T 28 N R 6 E, Wayne, MO

Built 1950 Load: 0.9 t ADT: 100

ROSEBUD RD

Poor

Over: BR GASCONADE RVR

S 3 T 36 N R 13 W, Pulaski, MO

Built 1940 Load: 1.8 t ADT: 50

All Bridges in Missouri

MO 366 E

Unknown

Over: US 50

S 13 T 44 N R 5 E, St. Louis, MO

Built 1983 ADT: 21,140

IS 170 W

Unknown

Over: RP IS170W TO MO180W

S 21 T 46 N R 6 E, St. Louis, MO

Built 1981 ADT: 4,460

IS 170 E

Unknown

Over: RP IS170E TO MO180E

S 21 T 46 N R 6 E, St. Louis, MO

Built 1981 ADT: 9,625

MIDLAND BLVD E

Unknown

Over: IS 170

S 28 T 46 N R 6 E, St. Louis, MO

Built 1981 ADT: 46,446

IS 170 E

Unknown

Over: RT D

S 33 T 46 N R 6 E, St. Louis, MO

Built 1980 ADT: 12,249

IS 70 E

Unknown

Over: MO 141

S 4 T 46 N R 5 E, St. Louis, MO

Built 1971 ADT: 3,360

MO 367 S

Unknown

Over: CST CHAMBERS RD

S 4 T 46 N R 7 E, St. Louis, MO

Built 2002 ADT: 12,370

IS 44 E

Unknown

Over: LP 44

S 34 T 44 N R 3 E, St. Louis, MO

Built 2002 ADT: 7,908

IS 44 W

Unknown

Over: LP 44

S 34 T 44 N R 3 E, St. Louis, MO

Built 2002 ADT: 7,908

MO 340 E

Unknown

Over: IS 270

S 3 T 45 N R 5 E, St. Louis, MO

Built 2002 ADT: 93,142

MO 340 E

Unknown

Over: CST WOODCREST EXECUTIVE

S 3 T 45 N R 5 E, St. Louis, MO

Built 2002 ADT: 702

JAMES S MCDONNELL

Unknown

Over: IS 270

S 278 T 47 N R 3 E, St. Louis, MO

Built 2002 ADT: 63,110

IS 170 W

Unknown

Over: OR 270

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 7,910

RP IS270W TO IS170

Unknown

Over: OR 270

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 7,910

RP IS170W TO IS270

Unknown

Over: OR 270

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 3,955

RP IS170W TO IS270

Unknown

Over: RP IS270E TO NORTH HANLE

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 5,324

IS 270 E

Unknown

Over: CST NORTH HANLEY RD

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 28,443

IS 270 W

Unknown

Over: CST NORTH HANLEY RD

S 939 T 47 N R 6 E, St. Louis, MO

Built 2002 ADT: 28,443

MO 340 E

Unknown

Over: US 67

S 1 T 45 N R 5 E, St. Louis, MO

Built 2003 ADT: 12,433

ST LOUIS MILLS BLV

Unknown

Over: MO 370

S 26 T 47 N R 5 E, St. Louis, MO

Built 2003 ADT: 22,847

US 61 S

Unknown

Over: IS 255

S 34 T 44 N R 6 E, St. Louis, MO

Built 2004 ADT: 35,885

WEST PORT PLAZA DR

Unknown

Over: RT D

S 1312 T 46 N R 5 E, St. Louis, MO

Built 1978 ADT: 16,360

LACKLAND RD E

Unknown

Over: IS 170

S 28 T 46 N R 6 E, St. Louis, MO

Built 1981 ADT: 27,139

CO SOR44E TO FENTO

Unknown

Over: OR 44

S 22 T 44 N R 5 E, St. Louis, MO

Built 1981 ADT: 6,669

MO 367 S

Unknown

Over: US 67

S 16 T 47 N R 7 E, St. Louis, MO

Built 2005 ADT: 14,257

MCKELVEY RD S

Unknown

Over: IS 70

S 11 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 48,911

MO 367 S

Unknown

Over: CRD PARKER RD

S 21 T 47 N R 7 E, St. Louis, MO

Built 2005 ADT: 8,660

MO 367 N

Unknown

Over: CRD REDMAN RD

S 28 T 47 N R 7 E, St. Louis, MO

Built 2005 ADT: 5,998

MO 367 S

Unknown

Over: CRD REDMAN RD

S 28 T 47 N R 7 E, St. Louis, MO

Built 2005 ADT: 5,555

MO 367 S

Unknown

Over: OR 270

S 28 T 47 N R 7 E, St. Louis, MO

Built 2005 ADT: 1,704

IS 270 E

Unknown

Over: RP IS70E TO IS270E

S 729 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 23,163

IS 270 W

Unknown

Over: RP IS70E TO IS270E

S 729 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 23,163

RP IS270W TO IS70E

Unknown

Over: MO 180

S 131 T 46 N R 5 E, St. Louis, MO

Built 1982 ADT: 27,415

IS 270 E

Unknown

Over: RP IS70W TO IS270W

S 729 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 12,998

IS 270 W

Unknown

Over: RP IS70W TO IS270W

S 729 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 12,998

RP IS70E TO IS270E

Unknown

Over: RP IS270E TO MO180

S 131 T 46 N R 5 E, St. Louis, MO

Built 1981 ADT: 7,492

IS 70 W

Unknown

Over: RP IS70E TO IS270E

S 729 T 46 N R 5 E, St. Louis, MO

Built 1978 ADT: 23,163

IS 70 E

Unknown

Over: RP IS70E TO IS270E

S 729 T 46 N R 5 E, St. Louis, MO

Built 1978 ADT: 23,163

IS 70 W

Unknown

Over: RP IS70W TO IS270W

S 729 T 46 N R 5 E, St. Louis, MO

Built 1978 ADT: 12,998

IS 70 E

Unknown

Over: RP IS70W TO IS270W

S 729 T 46 N R 5 E, St. Louis, MO

Built 1978 ADT: 12,998

RP IS270E TO IS70W

Unknown

Over: IS 270

S 131 T 46 N R 5 E, St. Louis, MO

Built 1982 ADT: 80,758

RP IS270W TO IS70E

Unknown

Over: RP MO180 TO IS270W

S 131 T 46 N R 5 E, St. Louis, MO

Built 1982 ADT: 6,741

RP IS270W TO IS70E

Unknown

Over: IS 70

S 131 T 46 N R 5 E, St. Louis, MO

Built 1982 ADT: 84,053

NATURAL BRIDGE RD

Unknown

Over: US 67

S 12 T 46 N R 5 E, St. Louis, MO

Built 2006 ADT: 9,335

MCKELVEY RD S

Unknown

Over: IS 270

S 729 T 46 N R 5 E, St. Louis, MO

Built 1979 ADT: 69,810

IS 170 W

Unknown

Over: MO 340

S 5 T 45 N R 6 E, St. Louis, MO

Built 2006 ADT: 5,284

IS 170 E

Unknown

Over: MO 340

S 5 T 45 N R 6 E, St. Louis, MO

Built 2006 ADT: 5,284

NEW JAMESTOWN RD E

Unknown

Over: MO 367

S 16 T 47 N R 7 E, St. Louis, MO

Built 2006 ADT: 14,715

IS 170 E

Unknown

Over: OR 270

S 939 T 47 N R 6 E, St. Louis, MO

Built 1978 ADT: 7,910

RP EOR367 TO MO367

Unknown

Over: MO 367

S 16 T 47 N R 7 E, St. Louis, MO

Built 2006 ADT: 14,715

Showing 1,751-1,800 of 24,654 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.