Mercer County, OH

329 public highway bridges

Mercer County Bridge Snapshot

Mercer County, Ohio contains 329 public highway bridges in the FHWA National Bridge Inventory. Roughly 41.3% are rated “Good,” 55.9% “Fair,” 2.7% “Poor,” and 2.7% 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 OH 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.

329
Total Bridges
41.3%
Good
2.7%
Poor
2.7%
Structurally Deficient

Condition Distribution

Good
41.3% (136)
Fair
55.9% (184)
Poor
2.7% (9)
SD
2.7% (9)

All Bridges (329)

BOGART ROAD

Fair

Over: BRANCH EIGHT MILE CREEK

0.4 MI EAST RICE ROAD, Mercer, OH

Built 2004 Load: 32.4 t ADT: 324

DAVIS ROAD

Fair

Over: EIGHT MILE CREEK

W OF SR 197 0.6 MI, Mercer, OH

Built 1900 Load: 32.4 t ADT: 324

BUSCHOR ROAD

Fair

Over: HARDIN CREEK

.5 MI EAST SR 118, Mercer, OH

Built 1995 Load: 32.4 t ADT: 983

OREGON ROAD

Fair

Over: BRANCH EIGHTMILE CREEK

0.3 MI E RICE ROAD, Mercer, OH

Built 1988 Load: 32.4 t ADT: 215

OREGON ROAD

Fair

Over: BLIERDOFER DITCH

0.3 MILES W. STODE ROAD, Mercer, OH

Built 2003 Load: 32.4 t ADT: 215

ST. ANTHONY ROAD

Fair

Over: HARDIN CREEK

0.1 MI. W. FLEETFOOT, Mercer, OH

Built 2002 Load: 32.4 t ADT: 341

OREGON ROAD

Fair

Over: BLIERDOFER DITCH

0.1 MI W HASIS ROAD, Mercer, OH

Built 1960 Load: 32.4 t ADT: 215

MORROW ROAD

Fair

Over: BLIERDOFER DITCH

0.4 MILES W. STOSE ROAD, Mercer, OH

Built 2003 Load: 32.4 t ADT: 351

HOWICK ROAD

Fair

Over: EIGHT MILE CREEK

0.4 MI W RILEY ROAD, Mercer, OH

Built 1963 Load: 32.4 t ADT: 433

HOWICK ROAD

Fair

Over: BLIERDOFER DITCH

0.1 MI EAST OF STOSE ROAD, Mercer, OH

Built 1998 Load: 32.4 t ADT: 433

HOWICK ROAD

Fair

Over: BLIERDOFER DITCH

0.5 MI E US 127, Mercer, OH

Built 1920 Load: 32.4 t ADT: 476

BROCKMAN ROAD

Fair

Over: LITTLE CHICKASAW CREEK

.3 MI EAST ST JOHNS ROAD, Mercer, OH

Built 1996 Load: 32.4 t ADT: 204

CLOVER FOUR ROAD

Fair

Over: EAST FORK

0.3 MILES EAST BOTKINS RD, Mercer, OH

Built 1999 Load: 32.4 t ADT: 887

FRYSINGER ROAD

Fair

Over: TOWN RUN CREEK

0.1 MI S OLD TOWN RUN RD, Mercer, OH

Built 1985 Load: 32.4 t ADT: 95

GUADALUPE RD

Fair

Over: CHICKASAW CREEK

0.1 MI W BOTKINS RD, Mercer, OH

Built 1900 Load: 32.4 t ADT: 146

TOWNSHIP-LINE ROAD

Fair

Over: FOUR MILE CREEK

0.2 MI S MERCER VAN WERT, Mercer, OH

Built 1987 Load: 32.4 t ADT: 143

BLACKLOON ROAD

Fair

Over: DRAINAGE DITCH

0.21 MI N RIVER TRAIL RD, Mercer, OH

Built 1995 Load: 32.4 t ADT: 324

HALFHILL ROAD

Fair

Over: DENNISON DITCH

0.3 MI E HERMAN RD, Mercer, OH

Built 1989 Load: 32.4 t ADT: 324

BROCKMAN ROAD

Fair

Over: BRANCH CHICKASAW CREEK

0.4 MILES EAST HARRISON, Mercer, OH

Built 2000 Load: 32.4 t ADT: 351

FOX ROAD

Fair

Over: TWO MILE CREEK

EAST OF S.R. 49, Mercer, OH

Built 2001 Load: 32.4 t ADT: 135

SEBASTIAN ROAD

Fair

Over: BEAVER CREEK

0.8 MI. EAST S.R.127, Mercer, OH

Built 2005 Load: 32.4 t ADT: 68

WATKINS ROAD

Fair

Over: FORT CREEK

0.2 MI.E.OF STATE LINE, Mercer, OH

Built 1990 Load: 32.4 t ADT: 797

FOX ROAD

Fair

Over: BRANCH OF WABASH RIVER

AT INTERSEC OF MEIRING RD, Mercer, OH

Built 1987 Load: 32.4 t ADT: 135

BARGER ROAD

Fair

Over: FORT CREEK

0.6 MI E OF STATE LINE, Mercer, OH

Built 1986 Load: 32.4 t ADT: 324

TOWNSHIP LINE RD

Fair

Over: BRANCH OF WABASH RIVER

1/2 MI N OF COUNTY LINE, Mercer, OH

Built 1987 Load: 32.4 t ADT: 220

STACHLER RD

Fair

Over: BR OF WABASH RIVER

E OF WOURMS RD 0.25 MI, Mercer, OH

Built 1992 Load: 32.4 t ADT: 71

MEIRING ROAD

Fair

Over: WABASH RIVER

JUST N OF COUNTY LINE, Mercer, OH

Built 1993 Load: 32.4 t ADT: 351

CLOVER FOUR ROAD

Fair

Over: DAHLINGHAUS DITCH

0.2 MILES EAST OF US127, Mercer, OH

Built 2000 Load: 32.4 t ADT: 887

GUADALUPE RD

Fair

Over: LITTLE CHICKASAW CREEK

0.1 MI E DICKE RD, Mercer, OH

Built 1984 Load: 32.4 t ADT: 160

DEPWEG RD

Fair

Over: BEAVER CREEK

0.5 MI E US 127, Mercer, OH

Built 1985 Load: 32.4 t ADT: 136

CASSELLA MONTZ RD

Fair

Over: BEAVER CREEK

0.1 MI S GUADALUPE RD, Mercer, OH

Built 1985 Load: 32.4 t ADT: 141

DEPWEG RD

Fair

Over: BEAVER CREEK

0.4 MI E STELZER RD, Mercer, OH

Built 1987 Load: 32.4 t ADT: 136

GUADALUPE RD

Fair

Over: PRAIRIE CREEK

0.1 MI W C-716A RD, Mercer, OH

Built 1987 Load: 32.4 t ADT: 142

GUADALUPE ROAD

Fair

Over: BR OF MONTEZUMA CREEK

JUST E OF CASS-MONT RD, Mercer, OH

Built 1994 Load: 32.4 t ADT: 142

GUADALUPE ROAD

Fair

Over: DAHLINGHAUS DITCH

0.4 MI. N. CLOVER FOUR RD, Mercer, OH

Built 1998 Load: 32.4 t ADT: 351

KITTLE ROAD

Fair

Over: PRAIRIE CREEK

0.2 MILES NORTH OF C219A, Mercer, OH

Built 2000 Load: 32.4 t ADT: 351

BOTKINS ROAD

Fair

Over: CHICKASAW CREEK

0.6 MI. N. CLOVER FOUR RD, Mercer, OH

Built 2004 Load: 32.4 t ADT: 324

ST JOHNS ROAD

Fair

Over: EAST FORK

0.5 MI NORTH BROCKMAN RD, Mercer, OH

Built 1999 Load: 32.4 t ADT: 324

C00 MER-DARKE LINE

Fair

Over: WARD DITCH

0.2 MI. E. OF SR118, Mercer, OH

Built 2005 Load: 32.4 t ADT: 445

CRANBERRY ROAD

Fair

Over: BR OF BEAR CREEK

N OF MER-DAR CO LN 0.2 MI, Mercer, OH

Built 1992 Load: 32.4 t ADT: 80

KREMER HOYING RD

Fair

Over: BURNTWOOD CREEK

1.3 MI EAST OF SR 118, Mercer, OH

Built 1995 Load: 32.4 t ADT: 816

T67 (POST RD)

Fair

Over: BRANCH OF WABASH RIVER

.4 MI S OF FT REC-MIN RD, Mercer, OH

Built 2009 Load: 32.4 t ADT: 351

POST ROAD

Fair

Over: BRANCH OF WABASH RIVER

1.5 MI. N. OF COUNTY LINE, Mercer, OH

Built 2002 Load: 32.4 t ADT: 351

CARTHAGENA ROAD

Fair

Over: BR COLDWATER CREEK

W OF BURK ST HENRY 0.4 MI, Mercer, OH

Built 1991 Load: 32.4 t ADT: 351

MER DARKE CO LN RD

Fair

Over: WARD DITCH

0.4 MI E OF SR118, Mercer, OH

Built 1990 Load: 32.4 t ADT: 445

MOORE ROAD

Fair

Over: TWO MILE CREEK

DEAD END RD E. OF SR49, Mercer, OH

Built 2004 Load: 32.4 t ADT: 324

FOX ROAD

Fair

Over: CREEK

0.1 MI. WEST POST ROAD, Mercer, OH

Built 1998 Load: 32.4 t ADT: 238

TAMA RD

Fair

Over: YANKEE RUN

.6 MI. E. ST RT 118, Mercer, OH

Built 1996 Load: 32.4 t ADT: 284

MER DARKE CO LN RD

Fair

Over: WABASH RIVER

1.6 MI E OF SR118, Mercer, OH

Built 1983 Load: 32.4 t ADT: 695

BURKVL STHENRY RD

Fair

Over: WABASH RIVER

3/4 MI S OF FTREC MIN RD, Mercer, OH

Built 1972 Load: 32.4 t ADT: 277

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