Mercer County, OH

329 public highway bridges

Mercer County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mercer County, Ohio contains 329 public highway bridges. Roughly 41.3% are rated “Good,” 55.9% “Fair,” and 2.7% “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.

329
Total Bridges
41.3%
Good
55.9%
Fair
2.7%
Poor Condition

Condition Distribution

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

All Bridges (329)

JEFFERSON ST

Fair

Over: BRANCH OF WABASH RIVER

0.3 MI NORTH OF MAIN ST, Mercer, OH

Built 1931 Load: 6.2 t ADT: 1,000

USR-127

Fair

Over: ST.MARYS RIVER OVERFLOW

.54MI.N.OF JCT. SR-707, Mercer, OH

Built 1966 Load: 22.7 t ADT: 6,143

OLD TOWN RUN ROAD

Fair

Over: TOWN RUN

.2 MI. E. FRYSINGER ROAD, Mercer, OH

Built 1997 Load: 22.7 t ADT: 324

SR-118

Fair

Over: BRANCH COLDWATER CREEK

1.62MI. S. OF JCT. SR-219, Mercer, OH

Built 1937 Load: 25.9 t ADT: 4,570

SR-118

Fair

Over: ST. MARY'S RIVER

.04MI N OF JCT USR-33, Mercer, OH

Built 1938 Load: 25.9 t ADT: 2,581

SR-716

Fair

Over: MILE CREEK

.15MI.N.OF DARKE CO.LINE, Mercer, OH

Built 1962 Load: 25.9 t ADT: 1,427

HILL ROAD

Fair

Over: BIG BLACK CREEK

0.1 MI. NORTH LEE ROAD, Mercer, OH

Built 2001 Load: 25.9 t ADT: 324

WILSON ROAD

Fair

Over: DUCK CREEK

0.1 MI W ST RT 49, Mercer, OH

Built 1983 Load: 25.9 t ADT: 60

FRYSINGER ROAD

Fair

Over: ST MARY'S RIVER OVERFLOW

0.6 MI N US RT 33, Mercer, OH

Built 1983 Load: 25.9 t ADT: 151

PHILOTHEA ROAD

Fair

Over: BR OF WABASH RIVER

W OF SR49 1.34 MI, Mercer, OH

Built 1994 Load: 25.9 t ADT: 351

STATE LINE RD

Fair

Over: LIMBERLOST CREEK

.4 MI SOUTH OF CR 300N, Mercer, OH

Built 1980 Load: 27.2 t ADT: 138

SR-219

Fair

Over: BEAVER CREEK

.21MI.E.OF JCT. SR-703, Mercer, OH

Built 1982 Load: 28.8 t ADT: 2,766

SR29

Fair

Over: LITTLE BEAVER CREEK

1.24 MI. W. OF JCT. SR118, Mercer, OH

Built 1962 Load: 29.2 t ADT: 2,796

SR-118

Fair

Over: WABASH RIVER

2.01MI.N.OF DARKE CO.LINE, Mercer, OH

Built 1961 Load: 29.2 t ADT: 1,991

LEE ROAD

Fair

Over: BIG BLACKCREEK

0.2 MI. W. JORDAN RD, Mercer, OH

Built 2001 Load: 29.2 t ADT: 324

ST. PETER ROAD

Fair

Over: TOTI CREEK

0.3 MI. S. S.R. 29, Mercer, OH

Built 2002 Load: 29.2 t ADT: 179

LAK SHORE DR MR107

Fair

Over: HOT WATER HOLE

0.3 MI E OF SR 127, Mercer, OH

Built 1990 Load: 30.8 t ADT: 5,201

SR29

Fair

Over: WABASH RIVER

2.25 MI. E. OF JCT. SR49, Mercer, OH

Built 1982 Load: 32.4 t ADT: 2,796

SR29

Fair

Over: BIG BEAVER CREEK

.37 MI. W. OF JCT. SR118, Mercer, OH

Built 1936 Load: 32.4 t ADT: 2,796

USR 33

Fair

Over: DENNISON RUN

JCT. SR-707, Mercer, OH

Built 1952 Load: 32.4 t ADT: 3,599

USR 33

Fair

Over: TWELVE MILE CREEK

2.11MI.E.OF USR-127, Mercer, OH

Built 1962 Load: 32.4 t ADT: 6,433

SIEGRIST-JUTTE C80

Fair

Over: COLDWATER CREEK

0.5 MI E OF T101A, Mercer, OH

Built 2008 Load: 32.4 t ADT: 1,194

MER-VW CO LN RD

Fair

Over: DUCKCREEK

0.1 MI W DUDGEON RD, Mercer, OH

Built 1983 Load: 32.4 t ADT: 80

SIEGRIST JUTTE RD

Fair

Over: COLDWATER CREEK

.3 MI. EAST S.R. 118, Mercer, OH

Built 1995 Load: 32.4 t ADT: 292

STETLER ROAD

Fair

Over: DUCKCREEK DITCH

0.4 MI S ROCKFORD WEST RD, Mercer, OH

Built 1987 Load: 32.4 t ADT: 324

STETLER RD

Fair

Over: DUCKCREEK DITCH

0.3 MI. N. ROCKFORD WEST, Mercer, OH

Built 2002 Load: 32.4 t ADT: 324

ROCKFORD WEST RD

Fair

Over: BRANCH DUCKCREEK

.6 MI EAST S.R. 49, Mercer, OH

Built 1996 Load: 32.4 t ADT: 272

ST ANTHONY

Fair

Over: LITTLE BEAVER CREEK

.1 MI E OF KARCH ROAD, Mercer, OH

Built 2009 Load: 32.4 t ADT: 341

JORDAN ROAD

Fair

Over: LITTLE BLACKCREEK DITCH

0.1 MI S LEE ROAD, Mercer, OH

Built 1991 Load: 32.4 t ADT: 81

ERASTUS-DURBIN RD

Fair

Over: LITTLE BLACK CREEK

0.4 MI N ST RT 707, Mercer, OH

Built 1980 Load: 32.4 t ADT: 242

ERASTUS-DURBIN RD

Fair

Over: LITTLE BLACK CREEK

0.5 MI N ST RT 707, Mercer, OH

Built 1980 Load: 32.4 t ADT: 242

ERASTUS-DURBIN RD

Fair

Over: BRANCH BIG BLACK CREEK

0.3 MI NORTH LEE ROAD, Mercer, OH

Built 2000 Load: 32.4 t ADT: 324

STOVER ROAD

Fair

Over: DUDGEON DITCH

0.6 MI N WILSON RD, Mercer, OH

Built 1991 Load: 32.4 t ADT: 324

TOWNSHIP-LINE ROAD

Fair

Over: LITTLE BLACKCREEK DITCH

0.9 MI SOUTH OF SR 707, Mercer, OH

Built 1990 Load: 32.4 t ADT: 143

TOWNSHIP-LINE ROAD

Fair

Over: LITTLE BLACKCREEK DITCH

0.2 MI SOUTH OF SR 707, Mercer, OH

Built 1990 Load: 32.4 t ADT: 143

TOWNSHIP LINE

Fair

Over: SANIFT DITCH

0.3 MI S. ROCKFORD WEST, Mercer, OH

Built 2000 Load: 32.4 t ADT: 234

PURDY ROAD

Fair

Over: BIG BLACK CREEK

0.1 MI W BURRVILLE ROAD, Mercer, OH

Built 2004 Load: 32.4 t ADT: 324

WILSON ROAD

Fair

Over: BRANCH DUCK CREEK

0.4 MI. W. S.R. 49, Mercer, OH

Built 2001 Load: 32.4 t ADT: 60

GAUSE ROAD

Fair

Over: LITTLE BEAVER CREEK

0.1 MI N MENCHHOFER ROAD, Mercer, OH

Built 1985 Load: 32.4 t ADT: 185

SLAVIK ROAD

Fair

Over: LITTLE BEAVER CREEK

0.4 MI W GAUSE RD, Mercer, OH

Built 1984 Load: 32.4 t ADT: 351

WILSON RD

Fair

Over: BIG BLACKCREEK

0.1 MI. WEST HILL RD, Mercer, OH

Built 2002 Load: 32.4 t ADT: 60

PHILOTHEA ROAD

Fair

Over: BRANCH COLDWATER CREEK

0.4 MI W ST RT 118, Mercer, OH

Built 1964 Load: 32.4 t ADT: 991

BELL ROAD

Fair

Over: HARDIN CREEK

0.3 MI E ST RT 118, Mercer, OH

Built 1988 Load: 32.4 t ADT: 291

MANLEY ROAD

Fair

Over: BIG BLACKCREEK

0.1 MI W. HILL ROAD, Mercer, OH

Built 2005 Load: 32.4 t ADT: 324

ROCKFORD WEST T236

Fair

Over: DUCK CREEK

0.24 MI. E. OF STATELINE, Mercer, OH

Built 2008 Load: 32.4 t ADT: 324

DEPWEG ROAD

Fair

Over: BURNTWOOD CREEK

W OF US 127 1.2 MI, Mercer, OH

Built 1991 Load: 32.4 t ADT: 136

KUHN RD

Fair

Over: HARDIN CREEK

E OF SR 118 0.9 MI, Mercer, OH

Built 1993 Load: 32.4 t ADT: 97

NEPTUNE MENDON RD

Fair

Over: EIGHTMILE CREEK

0.3 MI S DENNY ROAD, Mercer, OH

Built 1900 Load: 32.4 t ADT: 133

SIEGRIST JUTTE RD

Fair

Over: BRANCH LITTLE BEAR CREEK

0.4 MI W BURK-ST HENRY RD, Mercer, OH

Built 1999 Load: 32.4 t ADT: 496

TAMA ROAD

Fair

Over: TWELVE MILE CREEK

E OF US127 1.0 MI, Mercer, OH

Built 1994 Load: 32.4 t ADT: 182

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

Related

Browse all → | Rankings →
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.