Boone County, MO

334 public highway bridges

Boone County Bridge Snapshot

Boone County, Missouri contains 334 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.6% are rated “Good,” 39.5% “Fair,” 3.3% “Poor,” and 3.3% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in MO are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

334
Total Bridges
44.6%
Good
3.3%
Poor
3.3%
Structurally Deficient

Condition Distribution

Good
44.6% (149)
Fair
39.5% (132)
Poor
3.3% (11)
SD
3.3% (11)

All Bridges (334)

IS 70 E

Good

Over: LIT CEDAR CR

S 8 T 48 N R 11 W, Boone, MO

Built 1983 Load: 52.2 t ADT: 20,255

RT UU W

Good

Over: SUGAR BR

S 18 T 48 N R 13 W, Boone, MO

Built 2015 Load: 52.2 t ADT: 1,928

MAGUIRE BLVD

Good

Over: S FK OF GRINDSTONE

S 20 T 48 N R 12 W, Boone, MO

Built 2009 Load: 54.0 t ADT: 2,925

PERCHE CHURCH RD

Good

Over: BR OF PERCHE CR

S 30 T 51 N R 13 W, Boone, MO

Built 2005 Load: 54.9 t ADT: 50

US 63 S

Good

Over: GRINDSTONE CR

S 20 T 48 N R 12 W, Boone, MO

Built 2002 Load: 56.7 t ADT: 27,409

RT M E

Good

Over: GRIDER BR

S 26 T 46 N R 13 W, Boone, MO

Built 1935 Load: 56.7 t ADT: 159

MAUPIN LANE

Good

Over: CEDAR CR

S 22 T 49 N R 11 W, Boone, MO

Built 2004 Load: 58.5 t ADT: 25

RT F S

Good

Over: COON CRK

S 36 T 51 N R 14 W, Boone, MO

Built 2022 Load: 58.5 t ADT: 270

MAGUIRE BLVD

Good

Over: N FK OF GRINDSTONE

S 20 T 48 N R 12 W, Boone, MO

Built 2009 Load: 61.2 t ADT: 2,925

BROADWAY ST

Good

Over: HINKSON CR

S 18 T 48 N R 12 W, Boone, MO

Built 2005 Load: 62.1 t ADT: 24,300

HIGH POINT LN

Good

Over: LIT BONNE FEMME CR

S 10 T 47 N R 13 W, Boone, MO

Built 2013 Load: 63.9 t ADT: 65

MEXICO GRAVEL RD

Good

Over: HOMINY BR

S 35 T 49 N R 12 W, Boone, MO

Built 2016 Load: 64.8 t ADT: 550

DRIPPING SPRING RD

Good

Over: SILVER FK CR

S 27 T 50 N R 13 W, Boone, MO

Built 2018 Load: 67.5 t ADT: 536

HARTSBURG BOTTOMRD

Good

Over: HART CR

S 18 T 45 N R 12 W, Boone, MO

Built 2021 Load: 68.4 t ADT: 113

RT WW E

Good

Over: S FK GRINDSTONE CR

S 22 T 48 N R 12 W, Boone, MO

Built 1993 Load: 72.9 t ADT: 6,622

SYCAMORE CREEK RD

Good

Over: TRIB TO PRAIRIE CR

S 2769 T 49 N R 14 W, Boone, MO

Built 2022 Load: 73.8 t ADT: 10

FOX HOLLOW RD

Good

Over: BR BONNE FEMME CR

S 12 T 46 N R 13 W, Boone, MO

Built 1998 Load: 95.4 t ADT: 50

MO 763 S

Good

Over: COW BRANCH

S 25 T 49 N R 13 W, Boone, MO

Built 2008 Load: 95.4 t ADT: 10,374

PEABODY RD

Good

Over: BR OF ROCKY FK

S 36 T 49 N R 12 W, Boone, MO

Built 1999 Load: 99.9 t ADT: 300

BROWN SCHOOL RD E

Good

Over: COW BRANCH

S 25 T 49 N R 13 W, Boone, MO

Built 2008 Load: 99.9 t ADT: 5,170

LOVERS LANE

Good

Over: SALING CR

S 7 T 51 N R 12 W, Boone, MO

Built 2012 Load: 99.9 t ADT: 10

OWEN'S SCHOOL RD

Good

Over: TRIB TO SILVER FK

S 16 T 50 N R 11 W, Boone, MO

Built 2012 Load: 99.9 t ADT: 30

CLELLIE HARMON RD

Good

Over: BASS CREEK

S 10 T 46 N R 12 W, Boone, MO

Built 2012 Load: 99.9 t ADT: 20

KING RD

Poor

Over: SUGAR CR

S 18 T 51 N R 13 W, Boone, MO

Built 1925 Load: 5.4 t ADT: 10

OR 70 E

Poor

Over: HOMINY CREEK

S 9 T 48 N R 12 W, Boone, MO

Built 1925 Load: 17.1 t ADT: 5,183

STEWART RD

Poor

Over: FLAT BR CR

S 13 T 48 N R 15 W, Boone, MO

Built 1920 Load: 22.5 t ADT: 700

OR 63 S

Poor

Over: BASS CREEK

S 26 T 47 N R 12 W, Boone, MO

Built 1925 Load: 27.0 t ADT: 290

PARK ACCESS RD

Poor

Over: FLAT CR

S 22 T 48 N R 13 W, Boone, MO

Built 1950 Load: 32.4 t ADT: 75

IS 70 E

Poor

Over: PERCHE CR

S 8 T 48 N R 13 W, Boone, MO

Built 1958 Load: 41.4 t ADT: 22,820

BEN WILLIAMS RD

Poor

Over: TRIB TO GANS CR

S 25 T 48 N R 12 W, Boone, MO

Built 1970 Load: 51.3 t ADT: 100

GREEN VALLEY DR

Structurally Deficient

Over: HOMINY BR

S 17 T 48 N R 12 W, Boone, MO

Built 1935 Load: 3.6 t ADT: 10

MO 163 N

Structurally Deficient

Over: HINKSON CR

S 24 T 48 N R 13 W, Boone, MO

Built 1968 Load: 29.7 t ADT: 18,898

DRISKEL RD

Structurally Deficient

Over: PERCHE CR TRIB

S 29 T 49 N R 13 W, Boone, MO

Built 1985 Load: 32.4 t ADT: 100

OLD PLANK RD

Structurally Deficient

Over: SMALL STR

S 2 T 47 N R 13 W, Boone, MO

Built 1986 Load: 32.4 t ADT: 100

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial