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

IS 635 N

Unknown

Over: OR 635

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

Built 1969 ADT: 22

IS 635 S

Unknown

Over: OR 635

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

Built 1972 ADT: 22

RP IS635N TO MO9N

Unknown

Over: US 69

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

Built 1972 ADT: 4,965

US 69 S

Unknown

Over: MO 9

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

Built 1972 ADT: 13,350

IS 635 N

Unknown

Over: US 69

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

Built 1972 ADT: 4,965

IS 635 S

Unknown

Over: MO 9

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

Built 1972 ADT: 13,350

IS 635 N

Unknown

Over: MO 9

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

Built 1972 ADT: 11,885

IS 635 S

Unknown

Over: MO 9

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

Built 1972 ADT: 11,885

US 69 S

Unknown

Over: IS 635

S 8 T 50 N R 33 W, Platte, MO

Built 1972 ADT: 28,111

IS 635 N

Unknown

Over: CST HIGH DR

S 4 T 50 N R 33 W, Platte, MO

Built 1972 ADT: 1,750

IS 435 S

Unknown

Over: RT C

S 19 T 52 N R 33 W, Platte, MO

Built 1979 ADT: 1,079

IS 435 N

Unknown

Over: RT C

S 19 T 52 N R 33 W, Platte, MO

Built 1979 ADT: 958

IS 435 S

Unknown

Over: CST NW ROBINHOOD LN

S 20 T 52 N R 33 W, Platte, MO

Built 1979 ADT: 352

IS 435 N

Unknown

Over: CST NW ROBINHOOD LN

S 20 T 52 N R 33 W, Platte, MO

Built 1979 ADT: 352

NW COOKINGHAM DR E

Unknown

Over: IS 435

S 21 T 52 N R 33 W, Platte, MO

Built 1977 ADT: 10,508

NW 136TH ST E

Unknown

Over: IS 435

S 7 T 52 N R 34 W, Platte, MO

Built 1984 ADT: 8,685

RT D E

Unknown

Over: IS 435

S 18 T 52 N R 34 W, Platte, MO

Built 1984 ADT: 8,685

FARLEY HAMPTON RD

Unknown

Over: IS 435

S 31 T 52 N R 34 W, Platte, MO

Built 1984 ADT: 14,734

IS 435 S

Unknown

Over: CRD NW TIFFANY PARK RD

S 6 T 51 N R 34 W, Platte, MO

Built 1983 ADT: 70

MO 45 S

Unknown

Over: IS 435

S 19 T 51 N R 34 W, Platte, MO

Built 1981 ADT: 11,209

IS 435 N

Unknown

Over: CRD NW RIVER RD

S 31 T 51 N R 34 W, Platte, MO

Built 1981 ADT: 1,838

IS 435 S

Unknown

Over: MO 152

S 7 T 51 N R 34 W, Platte, MO

Built 1983 ADT: 11,954

IS 435 N

Unknown

Over: CRD NW TIFFANY PARK RD

S 6 T 51 N R 34 W, Platte, MO

Built 1983 ADT: 70

IS 435 N

Unknown

Over: CST N CONGRESS AVE

S 24 T 52 N R 34 W, Platte, MO

Built 1981 ADT: 2,626

IS 435 S

Unknown

Over: CST N CONGRESS AVE

S 24 T 52 N R 34 W, Platte, MO

Built 1981 ADT: 2,626

N BETHEL RD S

Unknown

Over: OR 29

S 9 T 52 N R 34 W, Platte, MO

Built 1984 ADT: 382

RT D E

Unknown

Over: IS 435

S 4 T 52 N R 34 W, Platte, MO

Built 1977 ADT: 7,639

IS 435 S

Unknown

Over: IS 29

S 14 T 52 N R 34 W, Platte, MO

Built 1983 ADT: 24,942

RP IS435N TO RTDW

Unknown

Over: RT D

S 13 T 52 N R 34 W, Platte, MO

Built 1979 ADT: 1,360

MO 152 W

Unknown

Over: CST NW AMBASSADOR DR

S 6 T 51 N R 33 W, Platte, MO

Built 2003 ADT: 18,492

MO 152 E

Unknown

Over: CST NW AMBASSADOR DR

S 6 T 51 N R 33 W, Platte, MO

Built 2003 ADT: 18,492

N GREEN HILLS RD S

Unknown

Over: MO 152

S 5 T 51 N R 33 W, Platte, MO

Built 2003 ADT: 31,548

MO 152 E

Unknown

Over: CST N LINE CREEK PKWY

S 4 T 51 N R 33 W, Platte, MO

Built 2003 ADT: 1,178

RP IS435N TO RTDW

Unknown

Over: IS 435

S 13 T 52 N R 34 W, Platte, MO

Built 1979 ADT: 8,090

IS 435 N

Unknown

Over: MO 152

S 7 T 51 N R 34 W, Platte, MO

Built 1983 ADT: 11,954

RP IS435S TO IS29N

Unknown

Over: IS 29

S 5 T 52 N R 34 W, Platte, MO

Built 1985 ADT: 20,691

IS 435 N

Unknown

Over: RP IS435S TO IS29N

S 5 T 52 N R 34 W, Platte, MO

Built 1987 ADT: 5,126

IS 435 S

Unknown

Over: CRD NW RIVER RD

S 31 T 51 N R 34 W, Platte, MO

Built 1981 ADT: 1,838

MO 152 E

Unknown

Over: RT K

S 8 T 51 N R 34 W, Platte, MO

Built 1983 ADT: 5,673

MEXICO CITY AVE S

Unknown

Over: IS 29

S 10 T 52 N R 34 W, Platte, MO

Built 1984 ADT: 25,970

MO 152 W

Unknown

Over: CST N LINE CREEK PKWY

S 4 T 51 N R 33 W, Platte, MO

Built 1995 ADT: 1,178

MO 152 W

Unknown

Over: RT K

S 8 T 51 N R 34 W, Platte, MO

Built 2004 ADT: 5,673

IS 635 S

Unknown

Over: CST HORIZONS PKWY

S 7 T 50 N R 33 W, Platte, MO

Built 2006 ADT: 1,113

IS 635 N

Unknown

Over: CST HORIZONS PKWY

S 7 T 50 N R 33 W, Platte, MO

Built 2006 ADT: 1,113

RP MO152E TO IS29S

Unknown

Over: RP IS29S TO CST NW BARRY

S 12 T 51 N R 34 W, Platte, MO

Built 1991 ADT: 7,646

RP IS29N TO MO152E

Unknown

Over: CST NW BARRY RD

S 7 T 51 N R 33 W, Platte, MO

Built 1988 ADT: 9,856

MO 152 W

Unknown

Over: IS 29

S 1 T 51 N R 34 W, Platte, MO

Built 1988 ADT: 32,599

MO 152 E

Unknown

Over: IS 29

S 1 T 51 N R 34 W, Platte, MO

Built 1988 ADT: 36,146

RT HH E

Unknown

Over: IS 29

S 25 T 53 N R 35 W, Platte, MO

Built 2010 ADT: 17,777

MO 92 E

Unknown

Over: IS 29

S 6 T 52 N R 34 W, Platte, MO

Built 1985 ADT: 26,518

Showing 1,401-1,450 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.

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.