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%.

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.

All Bridges in Missouri

DOUGHERTY FERRY RD

Unknown

Over: IS 270

S 3 T 44 N R 5 E, St. Louis, MO

Built 2007 ADT: 104,774

MO 231 S

Unknown

Over: IS 255

S 1 T 43 N R 6 E, St. Louis, MO

Built 2007 ADT: 51,346

BOWLES AVE S

Unknown

Over: IS 44

S 21 T 44 N R 5 E, St. Louis, MO

Built 1981 ADT: 48,007

RP IS64W TO IS170W

Unknown

Over: RP HANLEY DR TO IS64W

S 21 T 45 N R 6 E, St. Louis, MO

Built 2007 ADT: 9,581

BELLEVUE AVE S

Unknown

Over: IS 64

S 23 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 71,559

BOLAND PL S

Unknown

Over: IS 64

S 22 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 79,962

S MCKNIGHT RD S

Unknown

Over: IS 64

S 20 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 61,811

IS 64 E

Unknown

Over: US 61

S 2675 T 45 N R 5 E, St. Louis, MO

Built 2008 ADT: 12,488

HIGHLAND TER N

Unknown

Over: IS 64

S 23 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 73,001

RP IS170E TO IS64W

Unknown

Over: RP IS170E TO BRENTWOOD B

S 16 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 327

RP IS64E TO IS170W

Unknown

Over: IS 64

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 61,811

RP IS170E TO IS64E

Unknown

Over: IS 170

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 39,052

SPOEDE RD S

Unknown

Over: IS 64

S 13 T 45 N R 5 E, St. Louis, MO

Built 2008 ADT: 72,743

IS 64 E

Unknown

Over: CST LACLEDE STATION RD

S 22 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 2,216

BIG BEND BLVD E

Unknown

Over: IS 64

S 23 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 78,973

MC CUTCHEON RD S

Unknown

Over: IS 64

S 20 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 61,811

IS 64 E

Unknown

Over: CST CLAYTON RD

S 18 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 8,747

RP IS170E TO IS64W

Unknown

Over: CST S BRENTWOOD BLVD

S 16 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 22,282

HANLEY RD S

Unknown

Over: IS 64

S 22 T 45 N R 20 W, St. Louis, MO

Built 2008 ADT: 79,962

RP BRENTWOOD BLVD

Unknown

Over: IS 170

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 39,052

RP HANLEY DR TO IS

Unknown

Over: IS 170

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 39,052

IS 64 E

Unknown

Over: IS 170

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 35,480

IS 64 E

Unknown

Over: CST CLAYTONIA TER

S 22 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 948

IS 64 E

Unknown

Over: CST S BRENTWOOD BLVD

S 21 T 45 N R 6 E, St. Louis, MO

Built 2008 ADT: 24,450

UNION RD E

Unknown

Over: IS 55

S 24 T 44 N R 6 E, St. Louis, MO

Built 2009 ADT: 64,213

IS 270 E

Unknown

Over: CST DORSETT RD

S 22 T 46 N R 5 E, St. Louis, MO

Built 2009 ADT: 15,043

PVT MARITZ ENT S

Unknown

Over: IS 44

S 1983 T 44 N R 5 E, St. Louis, MO

Built 1983 ADT: 46,465

RT AB E

Unknown

Over: MO 141

S 109 T 45 N R 5 E, St. Louis, MO

Built 2011 ADT: 15,992

RT AB E

Unknown

Over: CST N WOODS MILL RD

S 109 T 45 N R 5 E, St. Louis, MO

Built 2012 ADT: 4,962

MO 340 E

Unknown

Over: MO 141

S 367 T 46 N R 5 E, St. Louis, MO

Built 2011 ADT: 6,393

RP IS270E TO MO364

Unknown

Over: IS 270

S 28 T 46 N R 5 E, St. Louis, MO

Built 2010 ADT: 68,802

RP IS270E TO MO364

Unknown

Over: MO 364

S 28 T 46 N R 5 E, St. Louis, MO

Built 2010 ADT: 24,866

CLAYTON RD E

Unknown

Over: MO 141

S 24 T 45 N R 4 E, St. Louis, MO

Built 1987 ADT: 18,076

RP MO141S TO CLAYT

Unknown

Over: OR 141

S 24 T 45 N R 4 E, St. Louis, MO

Built 1989 ADT: 4,434

IS 64 W

Unknown

Over: MO 141

S 13 T 45 N R 4 E, St. Louis, MO

Built 1985 ADT: 31,882

OR 64 E

Unknown

Over: MO 141

S 13 T 45 N R 4 E, St. Louis, MO

Built 1985 ADT: 31,882

DELMAR BLVD E

Unknown

Over: IS 170

S 4 T 45 N R 6 E, St. Louis, MO

Built 2011 ADT: 47,949

MO 141 N

Unknown

Over: OR 44

S 19 T 44 N R 5 E, St. Louis, MO

Built 1984 ADT: 984

MO 141 S

Unknown

Over: OR 44

S 19 T 44 N R 5 E, St. Louis, MO

Built 1984 ADT: 984

MO 141 S

Unknown

Over: CST WATER WORKS DR

S 433 T 46 N R 5 E, St. Louis, MO

Built 2012 ADT: 6,002

RP CHESTERFIELD AI

Unknown

Over: IS 64

S 371 T 45 N R 3 E, St. Louis, MO

Built 2013 ADT: 37,898

JAMES S MCDONNELL

Unknown

Over: IS 70

S 656 T 46 N R 6 E, St. Louis, MO

Built 1984 ADT: 69,537

CHESTERFIELD PKWY

Unknown

Over: IS 64

S 123 T 45 N R 4 E, St. Louis, MO

Built 2013 ADT: 50,214

MISSOURI BOTTOM RD

Unknown

Over: IS 270

S 2093 T 47 N R 5 E, St. Louis, MO

Built 1990 ADT: 64,017

RP LAMBERT INTL BL

Unknown

Over: IS 70

S 656 T 46 N R 6 E, St. Louis, MO

Built 1984 ADT: 69,537

IS 44 E

Unknown

Over: MO 109

S 2071 T 44 N R 4 E, St. Louis, MO

Built 1986 ADT: 12,280

MO 109 S

Unknown

Over: CST E FIRST ST

S 2071 T 44 N R 4 E, St. Louis, MO

Built 1987 ADT: 400

CENTRAL AVE S

Unknown

Over: IS 44

S 2071 T 44 N R 3 E, St. Louis, MO

Built 1989 ADT: 29,631

WOODFORD WAY S

Unknown

Over: IS 270

S 2083 T 46 N R 5 E, St. Louis, MO

Built 1988 ADT: 58,349

GIST RD E

Unknown

Over: IS 270

S 130 T 46 N R 5 E, St. Louis, MO

Built 1988 ADT: 58,349

Showing 1,801-1,850 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.

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.

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.