Mercer County, MO

137 public highway bridges

Mercer County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mercer County, Missouri contains 137 public highway bridges. Roughly 44.5% are rated “Good,” 36.5% “Fair,” and 19% “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.

137
Total Bridges
44.5%
Good
36.5%
Fair
19%
Poor Condition

Condition Distribution

Good
44.5% (61)
Fair
36.5% (50)
Poor
19% (26)

All Bridges (137)

GARNER ST

Fair

Over: BR OF W MUDDY CRK

S 1 T 64 N R 25 W, Mercer, MO

Built 1940 ADT: 15

BOBCAT ST

Fair

Over: LITTLE MEDICINE CR

S 19 T 66 N R 22 W, Mercer, MO

Built 1900 Load: 5.4 t ADT: 35

APRICOT ST

Fair

Over: SAND CRK

S 25 T 67 N R 24 W, Mercer, MO

Built 1950 Load: 9.0 t ADT: 15

AVALON AVE

Fair

Over: LITTLE MEDICINE CR

S 6 T 66 N R 22 W, Mercer, MO

Built 1936 Load: 9.9 t ADT: 35

ILLINOIS LOOP

Fair

Over: UP RR

S 21 T 64 N R 24 W, Mercer, MO

Built 1930 Load: 9.9 t ADT: 5

FLAGPOLE RD

Fair

Over: UP RR

S 6 T 65 N R 23 W, Mercer, MO

Built 1940 Load: 11.7 t ADT: 100

DOMINO PLACE

Fair

Over: BR OF LIT MED CRK

S 32 T 66 N R 22 W, Mercer, MO

Built 1920 Load: 12.6 t ADT: 5

JANUARY ST

Fair

Over: W MUDDY CR

S 6 T 63 N R 24 W, Mercer, MO

Built 1930 Load: 12.6 t ADT: 20

RT D E

Fair

Over: WELDON FK OF GRAND

S 28 T 64 N R 24 W, Mercer, MO

Built 1964 Load: 12.6 t ADT: 194

ARIZONA ST

Fair

Over: IRWIN CR

S 35 T 67 N R 23 W, Mercer, MO

Built 1900 Load: 13.5 t ADT: 30

FINCH AVE

Fair

Over: UP RR

S 12 T 65 N R 24 W, Mercer, MO

Built 1940 Load: 13.5 t ADT: 100

AWARD ST

Fair

Over: LITTLE MEDICINE CR

S 6 T 66 N R 22 W, Mercer, MO

Built 1900 Load: 14.4 t ADT: 5

RT JJ E

Fair

Over: E HONEY CR

S 10 T 63 N R 23 W, Mercer, MO

Built 1958 Load: 14.4 t ADT: 56

COMB AVE

Fair

Over: UP RR

S 31 T 66 N R 23 W, Mercer, MO

Built 1935 Load: 15.3 t ADT: 45

RT M E

Fair

Over: W MEDICINE CR

S 7 T 66 N R 22 W, Mercer, MO

Built 1935 Load: 16.2 t ADT: 135

AURORA ST

Fair

Over: IRWIN CR

S 2 T 66 N R 23 W, Mercer, MO

Built 1999 Load: 17.1 t ADT: 20

RT K E

Fair

Over: WELDON FK OF GRAND

S 22 T 66 N R 24 W, Mercer, MO

Built 1977 Load: 17.1 t ADT: 550

ELLIOT RD

Fair

Over: BR WALDON CR

S 8 T 65 N R 24 W, Mercer, MO

Built 2005 Load: 20.7 t ADT: 25

RT N E

Fair

Over: SANDY CR

S 10 T 65 N R 25 W, Mercer, MO

Built 1954 Load: 22.5 t ADT: 389

FLAGPOLE RD

Fair

Over: MUDDY CR

S 6 T 65 N R 23 W, Mercer, MO

Built 1990 Load: 23.4 t ADT: 100

US 136 E

Fair

Over: W MUDDY CR

S 25 T 65 N R 25 W, Mercer, MO

Built 1971 Load: 23.4 t ADT: 1,210

US 136 E

Fair

Over: WELDON FK OF GRAND

S 28 T 65 N R 24 W, Mercer, MO

Built 1971 Load: 23.4 t ADT: 1,883

RT M E

Fair

Over: WARDEN BR

S 12 T 66 N R 23 W, Mercer, MO

Built 1935 Load: 23.4 t ADT: 135

RT JJ E

Fair

Over: BIG N CR

S 12 T 63 N R 23 W, Mercer, MO

Built 1958 Load: 24.3 t ADT: 44

RT D E

Fair

Over: MARTIN CR

S 34 T 64 N R 25 W, Mercer, MO

Built 1952 Load: 25.2 t ADT: 163

RT N E

Fair

Over: BRUSH CR

S 7 T 65 N R 25 W, Mercer, MO

Built 1954 Load: 25.2 t ADT: 363

RT D E

Fair

Over: SANDY CR

S 29 T 64 N R 25 W, Mercer, MO

Built 1958 Load: 26.1 t ADT: 163

KASOTA RD

Fair

Over: PETEET CR

S 3 T 63 N R 25 W, Mercer, MO

Built 2005 Load: 27.9 t ADT: 5

HAGAR PL

Fair

Over: BR OF SANDY CREEK

S 8 T 64 N R 24 W, Mercer, MO

Built 2005 Load: 27.9 t ADT: 5

RT D E

Fair

Over: SOAP CR

S 31 T 64 N R 24 W, Mercer, MO

Built 1930 Load: 27.9 t ADT: 194

RT P S

Fair

Over: BIG BR

S 19 T 65 N R 24 W, Mercer, MO

Built 1952 Load: 28.8 t ADT: 164

RT M E

Fair

Over: LIT MUDDY CR

S 20 T 66 N R 23 W, Mercer, MO

Built 1934 Load: 28.8 t ADT: 574

RT D E

Fair

Over: WILLOW BR

S 29 T 64 N R 24 W, Mercer, MO

Built 1930 Load: 30.6 t ADT: 194

RT BB E

Fair

Over: BR OF WELDON FK CR

S 11 T 66 N R 24 W, Mercer, MO

Built 1961 Load: 32.4 t ADT: 166

RT P S

Fair

Over: BIG BR

S 18 T 65 N R 24 W, Mercer, MO

Built 2010 Load: 35.1 t ADT: 164

RT DD S

Fair

Over: MEDICINE CR

S 25 T 65 N R 23 W, Mercer, MO

Built 1961 Load: 36.0 t ADT: 74

ELLIOT RD

Fair

Over: BRUSH CR

S 20 T 66 N R 24 W, Mercer, MO

Built 2013 Load: 36.9 t ADT: 15

US 136 E

Fair

Over: BURRIS CR

S 6 T 65 N R 22 W, Mercer, MO

Built 1929 Load: 38.7 t ADT: 1,271

US 136 E

Fair

Over: WILDCAT CR

S 26 T 65 N R 24 W, Mercer, MO

Built 2006 Load: 44.1 t ADT: 889

US 136 E

Fair

Over: UP RR

S 26 T 65 N R 24 W, Mercer, MO

Built 2006 Load: 44.1 t ADT: 889

US 65 S

Fair

Over: WILDCAT CR

S 35 T 65 N R 24 W, Mercer, MO

Built 2001 Load: 45.9 t ADT: 2,170

CHER RD

Fair

Over: W FK LITTLE RVR

S 20 T 66 N R 24 W, Mercer, MO

Built 1994 Load: 48.6 t ADT: 40

FIREWORKS AVE

Fair

Over: TRIB TO MUDDY CR

S 19 T 65 N R 23 W, Mercer, MO

Built 1940 Load: 48.6 t ADT: 20

US 136 E

Fair

Over: W MUDDY CR

S 36 T 65 N R 25 W, Mercer, MO

Built 1971 Load: 52.2 t ADT: 1,210

US 136 E

Fair

Over: MARTIN CR

S 3 T 64 N R 25 W, Mercer, MO

Built 1931 Load: 57.6 t ADT: 1,074

CANNON AVE

Fair

Over: COAL CR

S 20 T 66 N R 25 W, Mercer, MO

Built 1999 Load: 58.5 t ADT: 15

RT E E

Fair

Over: COTTONWOOD BR

S 28 T 64 N R 22 W, Mercer, MO

Built 1969 Load: 58.5 t ADT: 439

US 136 E

Fair

Over: W MEDICINE CR

S 5 T 65 N R 22 W, Mercer, MO

Built 2002 Load: 59.4 t ADT: 1,271

IGLOO RD

Fair

Over: BR OF W MUDDY CR

S 30 T 64 N R 24 W, Mercer, MO

Built 1996 Load: 63.9 t ADT: 5

US 136 E

Fair

Over: LIT MEDICINE CR

S 2 T 65 N R 23 W, Mercer, MO

Built 2002 Load: 77.4 t ADT: 1,605
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.