St. Louis County, MO

912 public highway bridges

St. Louis County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, St. Louis County, Missouri contains 912 public highway bridges. Roughly 21.5% are rated “Good,” 42.2% “Fair,” and 3.9% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

912
Total Bridges
21.5%
Good
42.2%
Fair
3.9%
Poor Condition

Condition Distribution

Good
21.5% (196)
Fair
42.2% (385)
Poor
3.9% (36)

All Bridges (912)

OSSENFORT RD

Good

Over: WILDHORSE CR

S 1956 T 45 N R 3 E, St. Louis, MO

Built 2006 Load: 38.7 t ADT: 790

WARSON RD

Good

Over: DEER CR

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

Built 2009 Load: 38.7 t ADT: 7,500

RP MO141S TO RTABE

Good

Over: CREVE COUER CR

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

Built 2011 Load: 38.7 t ADT: 542

ALLEY

Good

Over: RVR DES PERES

S 378 T 45 N R 6 E, St. Louis, MO

Built 1989 Load: 38.7 t ADT: 100

STRECKER RD

Good

Over: CAULKS CR

S 30 T 45 N R 4 E, St. Louis, MO

Built 2001 Load: 39.6 t ADT: 1,895

MO 109 S

Good

Over: BONHOMME CR

S 163 T 45 N R 5 E, St. Louis, MO

Built 2009 Load: 39.6 t ADT: 15,945

HANNA RD

Good

Over: FISHPOT CR

S 17 T 44 N R 5 E, St. Louis, MO

Built 2013 Load: 39.6 t ADT: 6,000

GIST RD

Good

Over: COWMIRE CR

S 2038 T 47 N R 5 E, St. Louis, MO

Built 2015 Load: 39.6 t ADT: 1,174

MASON RD

Good

Over: SMITH CR

S 8 T 45 N R 5 E, St. Louis, MO

Built 2015 Load: 39.6 t ADT: 5,892

GREEN PARK IND DR

Good

Over: GRAVOIS CR

S 2995 T 44 N R 6 E, St. Louis, MO

Built 2001 Load: 40.5 t ADT: 4,000

LADUE RD

Good

Over: CREVE COEUR CR

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

Built 2012 Load: 40.5 t ADT: 3,942

RT AB E

Good

Over: HIBLER CR

S 8 T 45 N R 5 E, St. Louis, MO

Built 2019 Load: 40.5 t ADT: 6,270

OR 270 E

Good

Over: DRAINAGE DTCH

S 33 T 47 N R 6 W, St. Louis, MO

Built 2022 Load: 40.5 t ADT: 7,308

US 67 S

Good

Over: DEER CRK

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

Built 2023 Load: 40.5 t ADT: 27,908

CLAIRMONT DR

Good

Over: BR OF DELWOOD CR

S 6 T 46 N R 7 E, St. Louis, MO

Built 1947 Load: 41.4 t ADT: 688

EAGLE BLUFF

Good

Over: CAULKS CR

S 5 T 44 N R 4 E, St. Louis, MO

Built 2001 Load: 41.4 t ADT: 563

RP RTABE TO MO141N

Good

Over: CREVE COEUR CR

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

Built 2010 Load: 41.4 t ADT: 1,190

SPRING MEADOWS DR

Good

Over: GRAND GLAIZE CR

S 36 T 45 N R 4 E, St. Louis, MO

Built 2018 Load: 41.4 t ADT: 1,150

GLENOWEN DR

Good

Over: MALINE CR

S 393 T 46 N R 7 E, St. Louis, MO

Built 1999 Load: 42.3 t ADT: 1,500

BELLEFONTAINE RD

Good

Over: BNSF RR

S 15 T 47 N R 7 E, St. Louis, MO

Built 2004 Load: 42.3 t ADT: 792

ST MALACHY LN

Good

Over: ST ANTHONY CR

S 5 T 47 N R 6 E, St. Louis, MO

Built 2002 Load: 42.3 t ADT: 700

ST CYR RD

Good

Over: CALUMET CR

S 9 T 46 N R 7 E, St. Louis, MO

Built 2015 Load: 42.3 t ADT: 1,000

OLD BAUMGARTNER RD

Good

Over: MATTESE CR

S 15 T 43 N R 6 E, St. Louis, MO

Built 2016 Load: 42.3 t ADT: 995

GERALDINE AVE

Good

Over: COLDWATER CREEK

S 17 T 46 N R 6 E, St. Louis, MO

Built 2022 Load: 42.3 t ADT: 1,500

MO 141 S

Good

Over: SMALL LAKE

S 33 T 47 N R 5 E, St. Louis, MO

Built 2022 Load: 42.3 t ADT: 3,360

MO 141 N

Good

Over: SMALL LAKE

S 33 T 47 N R 5 E, St. Louis, MO

Built 2022 Load: 42.3 t ADT: 8,592

MERAMEC BOTTOM RD

Good

Over: LEMAY CR

S 17 T 43 N R 6 E, St. Louis, MO

Built 2022 Load: 42.3 t ADT: 4,960

AUBUCHON RD

Good

Over: BRANCH OF COWMIRE

S 22 T 47 N R 5 E, St. Louis, MO

Built 2022 Load: 42.3 t ADT: 12,454

LAKEFRONT DR

Good

Over: UNKNOWN LK

S 33 T 47 N R 5 E, St. Louis, MO

Built 1989 Load: 43.2 t ADT: 2,912

FOREST PARK PKWY E

Good

Over: FORSYTH BLVD

S 15 T 45 N R 6 E, St. Louis, MO

Built 2004 Load: 43.2 t ADT: 7,898

FOREST PARK PKWY W

Good

Over: FORSYTH BLVD

S 15 T 45 N R 6 E, St. Louis, MO

Built 2004 Load: 43.2 t ADT: 9,195

OLD GRAVOIS RD

Good

Over: MERAMEC RVR

S 35 T 44 N R 5 E, St. Louis, MO

Built 2012 Load: 43.2 t ADT: 10,000

OR 44 E

Good

Over: WILLIAMS CR

S 24 T 44 N R 4 E, St. Louis, MO

Built 2012 Load: 43.2 t ADT: 984

CONWAY RD

Good

Over: MARYVILLE CR

S 7 T 45 N R 5 E, St. Louis, MO

Built 2016 Load: 43.2 t ADT: 9,189

FAWN VALLEY DR

Good

Over: TWO MILE CR

S 26 T 45 N R 5 E, St. Louis, MO

Built 2015 Load: 43.2 t ADT: 300

JAMES S MCDONNELL

Good

Over: COLDWATER CRK

S 5 T 46 N R 6 E, St. Louis, MO

Built 2023 Load: 43.2 t ADT: 10,699

MO 115 S

Good

Over: METROLINK WB, METROLINK

S 23 T 46 N R 6 E, St. Louis, MO

Built 2004 Load: 44.1 t ADT: 5,727

IS 270 E

Good

Over: COLDWATER CRK

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

Built 2020 Load: 44.1 t ADT: 51,141

FEE FEE RD

Good

Over: TRIB TO FEE FEE CR

S 23 T 46 N R 5 E, St. Louis, MO

Built 2000 Load: 45.0 t ADT: 8,394

MCKNIGHT RD

Good

Over: TRIB TO BLACK CR

S 17 T 45 N R 6 E, St. Louis, MO

Built 2015 Load: 45.0 t ADT: 15,000

IS 44 E

Good

Over: BNSF RR

S 35 T 45 N R 6 E, St. Louis, MO

Built 2016 Load: 45.0 t ADT: 43,460

MUSICK AVE

Good

Over: SAPPINGTON CR

S 21 T 44 N R 6 E, St. Louis, MO

Built 2017 Load: 45.0 t ADT: 5,067

OLD MANCHESTER RD

Good

Over: BR OF FOX CR

S 19 T 44 N R 3 E, St. Louis, MO

Built 2010 Load: 45.9 t ADT: 998

ADIE RD

Good

Over: FEE FEE CR

S 358 T 46 N R 5 E, St. Louis, MO

Built 2016 Load: 45.9 t ADT: 1,430

TESSHIRE DR

Good

Over: GRAVOIS CR

S 22 T 44 N R 6 E, St. Louis, MO

Built 2020 Load: 45.9 t ADT: 3,450

PATTERSON RD

Good

Over: LAWNVIEW CR

S 15 T 47 N R 6 E, St. Louis, MO

Built 1995 Load: 46.8 t ADT: 19,778

IS 170 E

Good

Over: RP FROST AVE TO IS170E

S 2 T 46 N R 6 E, St. Louis, MO

Built 1978 Load: 46.8 t ADT: 27,257

BARRETT STATION RD

Good

Over: ROYAL ACRES CR

S 32 T 45 N R 5 E, St. Louis, MO

Built 2010 Load: 46.8 t ADT: 12,800

RT D E

Good

Over: ENGELHOLM CR, METROLINK

S 1 T 45 N R 6 E, St. Louis, MO

Built 1997 Load: 46.8 t ADT: 10,336

US 61 S

Good

Over: MERAMEC RVR

S 16 T 43 N R 6 E, St. Louis, MO

Built 2003 Load: 47.7 t ADT: 16,233

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.