Iron County, MO

129 public highway bridges

Iron County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Iron County, Missouri contains 129 public highway bridges. Roughly 30.2% are rated “Good,” 59.7% “Fair,” and 9.3% “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.

129

Total Bridges

30.2%

Good

59.7%

Fair

9.3%

Poor Condition

Condition Distribution

Good

30.2% (39)

Fair

59.7% (77)

Poor

9.3% (12)

All Bridges (129)

Sort:

MO 72 E

Over: MO 21

S 5 T 33 N R 4 E, Iron, MO

Built 1930 ADT: 3,589

MULBERRY ST

Over: BR OF STOUTS CR

S 30 T 34 N R 4 E, Iron, MO

Built 1960 Load: 4.5 t ADT: 100

LEONARD HUFF -137

Over: SULPHUR CR

S 8 T 31 N R 4 E, Iron, MO

Built 1972 Load: 5.4 t ADT: 15

RT C E

Over: CRANE POND CR

S 15 T 31 N R 4 E, Iron, MO

Built 1948 Load: 9.0 t ADT: 242

ADAMS CR RD

Over: MID FK BLACK RVR

S 12 T 34 N R 1 W, Iron, MO

Built 1991 Load: 9.9 t ADT: 35

MO 49 S

Over: UP RR, BIG CR

S 35 T 32 N R 3 E, Iron, MO

Built 1945 Load: 9.9 t ADT: 1,311

E MADISON ST

Over: UP RR

S 32 T 34 N R 4 E, Iron, MO

Built 1967 Load: 11.7 t ADT: 500

RT E E

Over: MARBLE CR

S 15 T 32 N R 4 E, Iron, MO

Built 1965 Load: 11.7 t ADT: 1,193

COUNTY RD 96

Over: ST FRANCOIS RVR

S 3 T 34 N R 3 E, Iron, MO

Built 1923 Load: 12.6 t ADT: 200

COUNTY RD 020

Over: CEDAR CR

S 3 T 34 N R 2 E, Iron, MO

Built 1950 Load: 12.6 t ADT: 100

SUTTON HOLLOW -147

Over: BR OF RICHLAND CR

S 35 T 31 N R 3 E, Iron, MO

Built 1965 Load: 13.5 t ADT: 45

COUNTY RD 157

Over: GOOSE CR

S 17 T 30 N R 4 E, Iron, MO

Built 1978 Load: 13.5 t ADT: 100

OLD RTE 21

Over: STOUTS CR

S 5 T 33 N R 4 E, Iron, MO

Built 1926 Load: 16.2 t ADT: 4,000

BUFFORD BOTTOM

Over: BR OF ST FRANCIS R

S 23 T 35 N R 3 E, Iron, MO

Built 1935 Load: 16.2 t ADT: 100

COUNTY RD 79

Over: HENDERSON CR

S 16 T 34 N R 1 W, Iron, MO

Built 1935 Load: 16.2 t ADT: 40

FLAT WOODS RD

Over: CREEK

S 24 T 33 N R 4 E, Iron, MO

Built 1945 Load: 16.2 t ADT: 35

BEAVER SLIDE RD

Over: CREEK

S 28 T 33 N R 4 E, Iron, MO

Built 1950 Load: 16.2 t ADT: 40

MINIMUN RD

Over: CRANE POND CR

S 3 T 31 N R 4 E, Iron, MO

Built 1950 Load: 16.2 t ADT: 75

COUNTY RD 149

Over: FUNK CR

S 5 T 30 N R 3 E, Iron, MO

Built 1940 Load: 16.2 t ADT: 50

OLD HWY 21

Over: CREEK

S 13 T 34 N R 3 E, Iron, MO

Built 1922 Load: 16.2 t ADT: 350

HARRY BAYS-001

Over: INDIAN CR

S 25 T 35 N R 2 W, Iron, MO

Built 1975 Load: 18.0 t ADT: 50

RT A S

Over: OTTERY CR

S 26 T 34 N R 1 E, Iron, MO

Built 1970 Load: 18.0 t ADT: 272

RT A S

Over: OTTERY CR

S 26 T 34 N R 1 E, Iron, MO

Built 1970 Load: 18.0 t ADT: 272

MO 32 E

Over: KAOLIN CR

S 36 T 35 N R 1 E, Iron, MO

Built 1926 Load: 19.8 t ADT: 786

MO 143 S

Over: BIG CR

S 8 T 30 N R 4 E, Iron, MO

Built 1933 Load: 20.7 t ADT: 590

RT A S

Over: OTTERY CR

S 23 T 34 N R 1 E, Iron, MO

Built 1970 Load: 21.6 t ADT: 272

RT E E

Over: UP RR

S 7 T 33 N R 4 E, Iron, MO

Built 1948 Load: 21.6 t ADT: 1,193

RT K E

Over: BIG CR

S 22 T 31 N R 3 E, Iron, MO

Built 1933 Load: 21.6 t ADT: 306

BANNER RD

Over: BR OF CEDAR CR

S 33 T 35 N R 2 E, Iron, MO

Built 1945 Load: 22.5 t ADT: 100

COUNTY RD 119

Over: LIT CARVER CR

S 20 T 32 N R 3 E, Iron, MO

Built 1975 Load: 22.5 t ADT: 15

DESARC TURNOFF-167

Over: BIG CR

S 18 T 30 N R 4 E, Iron, MO

Built 1930 Load: 22.5 t ADT: 100

MO 32 E

Over: KEESLING CR

S 33 T 35 N R 2 E, Iron, MO

Built 1922 Load: 23.4 t ADT: 980

RT O S

Over: IMBODEN FK

S 23 T 34 N R 2 E, Iron, MO

Built 1957 Load: 23.4 t ADT: 284

MO 221 S

Over: KNOB BR

S 20 T 34 N R 4 E, Iron, MO

Built 1954 Load: 23.4 t ADT: 2,236

MO 21 S

Over: STOUTS CR

S 5 T 33 N R 4 E, Iron, MO

Built 1967 Load: 24.3 t ADT: 4,167

ADAM CREEK RD

Over: ABBOTT CR

S 28 T 35 N R 1 W, Iron, MO

Built 1998 Load: 24.3 t ADT: 50

RT A S

Over: DRAIN DTCH

S 34 T 34 N R 1 E, Iron, MO

Built 1939 Load: 24.3 t ADT: 272

RT N S

Over: BLACK CR

S 35 T 34 N R 2 E, Iron, MO

Built 1974 Load: 25.2 t ADT: 1,290

MO 221 S

Over: BR KNOB CR

S 30 T 34 N R 4 E, Iron, MO

Built 1954 Load: 25.2 t ADT: 2,236

MO 49 S

Over: HAMPTON BR

S 24 T 31 N R 3 E, Iron, MO

Built 1924 Load: 26.1 t ADT: 1,511

RT E E

Over: BR MARBLE CR

S 18 T 33 N R 4 E, Iron, MO

Built 1930 Load: 26.1 t ADT: 1,193

MO 32 E

Over: CEDAR CR

S 2184 T 35 N R 2 E, Iron, MO

Built 1982 Load: 27.0 t ADT: 980

RT O S

Over: BELLEVIEW CR

S 5 T 34 N R 3 E, Iron, MO

Built 1957 Load: 27.0 t ADT: 284

RT Z S

Over: BEASLY HOLLOW BR

S 33 T 35 N R 1 W, Iron, MO

Built 1958 Load: 29.7 t ADT: 106

MO 49 S

Over: HUFF BR

S 23 T 32 N R 3 E, Iron, MO

Built 1922 Load: 31.5 t ADT: 1,311

COUNTY RD 42

Over: KNOB CR

S 32 T 34 N R 4 E, Iron, MO

Built 2008 Load: 32.4 t ADT: 250

MO 49 S

Over: CONCANNON CR

S 3 T 31 N R 3 E, Iron, MO

Built 1922 Load: 32.4 t ADT: 1,311

MO 32 E

Over: CROOKED CR

S 10 T 34 N R 2 W, Iron, MO

Built 1932 Load: 32.4 t ADT: 2,211

MO 49 S

Over: WILDCAT CR

S 18 T 30 N R 4 E, Iron, MO

Built 1925 Load: 33.3 t ADT: 1,787

RT BB E

Over: BRUSHY HOLLOW

S 11 T 30 N R 3 E, Iron, MO

Built 1962 Load: 33.3 t ADT: 268

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

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Compiled by PlainBridges, Independent data publisher

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.