Mercer County, MO

137 public highway bridges

Mercer County Bridge Snapshot

Mercer County, Missouri contains 137 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.5% are rated “Good,” 36.5% “Fair,” 19% “Poor,” and 19% 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.

137
Total Bridges
44.5%
Good
19%
Poor
19%
Structurally Deficient

Condition Distribution

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

All Bridges (137)

DENVER ST

Good

Over: TRIB BIG BR

S 5 T 65 N R 24 W, Mercer, MO

Built 2006 Load: 45.0 t ADT: 25

DELTA ST

Good

Over: TRIB OF BIG BRANCH

S 1 T 65 N R 25 W, Mercer, MO

Built 2007 Load: 45.0 t ADT: 5

COVENTRY ST

Good

Over: LIT MEDICINE CR

S 33 T 66 N R 22 W, Mercer, MO

Built 1997 Load: 46.8 t ADT: 35

HANOVER AVE

Good

Over: W MUDDY CR

S 7 T 64 N R 24 W, Mercer, MO

Built 2000 Load: 50.4 t ADT: 20

HAMMOCK ST

Good

Over: W MUDDY CR

S 18 T 64 N R 24 W, Mercer, MO

Built 2008 Load: 52.2 t ADT: 35

ANVIL ST

Good

Over: WELDON FK OF GRAND

S 3 T 66 N R 24 W, Mercer, MO

Built 1994 Load: 53.1 t ADT: 40

DERBY RD

Good

Over: POPS BR

S 3 T 65 N R 24 W, Mercer, MO

Built 1999 Load: 54.0 t ADT: 35

FOOTHILL ST

Good

Over: LITTLE MEDICINE CR

S 19 T 65 N R 22 W, Mercer, MO

Built 1999 Load: 58.5 t ADT: 40

BLUEGRASS AVE

Good

Over: IRWIN CR

S 22 T 66 N R 23 W, Mercer, MO

Built 2002 Load: 58.5 t ADT: 5

FALCON RD

Good

Over: SANDY CR

S 22 T 65 N R 25 W, Mercer, MO

Built 2001 Load: 59.4 t ADT: 25

HALLEY RD

Good

Over: SANDY CR

S 20 T 64 N R 25 W, Mercer, MO

Built 2019 Load: 59.4 t ADT: 25

HELIUM RD

Poor

Over: TRIB LIT MEDICINE

S 16 T 64 N R 22 W, Mercer, MO

Built 1950 Load: 4.5 t ADT: 30

JEWELL ST

Poor

Over: WEST HONEY CR

S 5 T 63 N R 23 W, Mercer, MO

Built 1994 Load: 7.2 t ADT: 35

HARMONICA RD

Poor

Over: UP RR

S 34 T 65 N R 24 W, Mercer, MO

Built 1901 Load: 9.9 t ADT: 35

GEMSTONE AVE

Poor

Over: WEST HONEY CR

S 4 T 64 N R 23 W, Mercer, MO

Built 1930 Load: 11.7 t ADT: 15

JOGGER AVE

Poor

Over: BR OF W MUDDY CRK

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

Built 1930 Load: 11.7 t ADT: 20

GARNER ST

Poor

Over: W MUDDY CR

S 6 T 64 N R 24 W, Mercer, MO

Built 1920 Load: 13.5 t ADT: 15

RT JJ E

Poor

Over: HONEY CR

S 8 T 63 N R 23 W, Mercer, MO

Built 1957 Load: 14.4 t ADT: 67

RT E E

Poor

Over: W MEDICINE CK

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

Built 1971 Load: 18.0 t ADT: 439

ARCTIC ST

Poor

Over: LIT MUDDY CR

S 28 T 67 N R 23 W, Mercer, MO

Built 2005 Load: 18.0 t ADT: 10

US 136 E

Poor

Over: GRAND RVR OVRFL

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

Built 1971 Load: 27.9 t ADT: 1,883

AIREDALE AVE

Structurally Deficient

Over: TRIB W FK LITTLE R

S 3 T 66 N R 25 W, Mercer, MO

Built 1910 ADT: 20

BEETLE ST

Structurally Deficient

Over: LIT WELDON RVR

S 16 T 66 N R 24 W, Mercer, MO

Built 1910 ADT: 15

FORBES ST

Structurally Deficient

Over: BR OF MEDICINE CR

S 30 T 65 N R 22 W, Mercer, MO

Built 1904 ADT: 30

ICEBERG RD

Structurally Deficient

Over: MARTIN CR

S 22 T 64 N R 25 W, Mercer, MO

Built 1920 ADT: 15

COLONY LOOP

Structurally Deficient

Over: TRIB OF WELDON BR

S 27 T 66 N R 24 W, Mercer, MO

Built 1950 Load: 2.7 t ADT: 15

DANUBE ST

Structurally Deficient

Over: BRUSHY CR

S 5 T 65 N R 25 W, Mercer, MO

Built 1971 Load: 2.7 t ADT: 15

EBONY ST

Structurally Deficient

Over: BRUSH CR

S 18 T 65 N R 25 W, Mercer, MO

Built 1900 Load: 2.7 t ADT: 5

INKWELL ST

Structurally Deficient

Over: WEST HONEY CR

S 29 T 64 N R 23 W, Mercer, MO

Built 1940 Load: 9.0 t ADT: 20

RT D E

Structurally Deficient

Over: WEST MUDDY CR

S 36 T 64 N R 25 W, Mercer, MO

Built 1935 Load: 9.0 t ADT: 119

CONCORD ST

Structurally Deficient

Over: MUDDY CR

S 28 T 66 N R 23 W, Mercer, MO

Built 1910 Load: 9.9 t ADT: 5

DELTA ST

Structurally Deficient

Over: BIG BR

S 1 T 65 N R 25 W, Mercer, MO

Built 1900 Load: 9.9 t ADT: 5

BISON ST

Structurally Deficient

Over: LIT MUDDY CR

S 9 T 66 N R 23 W, Mercer, MO

Built 1994 Load: 14.4 t ADT: 35

RT E E

Structurally Deficient

Over: W HONEY CR

S 4 T 64 N R 23 W, Mercer, MO

Built 1932 Load: 14.4 t ADT: 309

BRANT ST E

Structurally Deficient

Over: UP RR

S 19 T 66 N R 23 W, Mercer, MO

Built 1900 Load: 15.3 t ADT: 218

FOGHORN ST

Structurally Deficient

Over: BR LIT MEDICINE CR

S 35 T 65 N R 23 W, Mercer, MO

Built 1940 Load: 30.6 t ADT: 5

BADGER ST

Structurally Deficient

Over: COAL CR

S 16 T 66 N R 25 W, Mercer, MO

Built 1989 Load: 39.6 t ADT: 40

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

Related

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