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)

GALLMAN RD

Fair

Over: ST MARYS RIVER

0.5 MI. N. OF MERCER ROAD, Mercer, OH

Built 2001 Load: 32.4 t ADT: 213

STATE LINE RD

Fair

Over: LIMBERLOST CREEK

.7 MILES S OF CR 200N, Mercer, OH

Built 1995 Load: 32.7 t ADT: 74

FLEETFOOT ROAD

Fair

Over: COLDWATER CREEK

0.3 MI N YOUNGER ROAD, Mercer, OH

Built 1981 Load: 35.6 t ADT: 241

PINE ROAD

Fair

Over: WABASH RIVER

0.4 MI WEST BURRVILLE RD, Mercer, OH

Built 1999 Load: 35.6 t ADT: 324

PINE ROAD

Fair

Over: BIG RUN

0.1 MI W TOWNSHIP LINE RD, Mercer, OH

Built 1999 Load: 35.6 t ADT: 324

IND STATE LINE RD

Fair

Over: SCHERMAN DITCH

.1 MI NORTH PINE ROAD, Mercer, OH

Built 1995 Load: 35.6 t ADT: 144

MENCHHOFER ROAD

Fair

Over: WABASH RIVER

JUST WEST OF ST PETER RD, Mercer, OH

Built 1997 Load: 35.6 t ADT: 244

ERASTUS DURBIN RD

Fair

Over: KITTLE DITCH

0.1 MI S ST. RT. 29, Mercer, OH

Built 1980 Load: 35.6 t ADT: 342

BURRVILLE ROAD

Fair

Over: TOTI CREEK

0.2 MI S ST. RT. 219, Mercer, OH

Built 1984 Load: 35.6 t ADT: 179

C-703A

Fair

Over: SPILLWAY AT GRAND LAKE

.5 MI NORTH MONROE RD, Mercer, OH

Built 1997 Load: 37.3 t ADT: 330

GAUSE ROAD

Fair

Over: LITTLE BEAVER CREEK

0.1 MI. N. SWAMP ROAD, Mercer, OH

Built 2003 Load: 38.9 t ADT: 185

MERCER VAN WERT RD

Fair

Over: KYLE PRAIRIE CREEK

0.1 MI W DUTTON RD, Mercer, OH

Built 1980 Load: 38.9 t ADT: 200

MERCER VAN WERT RD

Fair

Over: LITTLE AUGLAIZE RIVER

0.5 MI W TOMLINSON RD, Mercer, OH

Built 1986 Load: 38.9 t ADT: 200

ERASTUS DURBIN RD

Fair

Over: TOTI CREEK

0.3 MI S ST. RT. 219, Mercer, OH

Built 1984 Load: 38.9 t ADT: 351

SIEGRIST JUTTE RD

Fair

Over: BRANCH OF TOTI CREEK

0.2 MI E BURRVILLE ROAD, Mercer, OH

Built 1984 Load: 38.9 t ADT: 177

LAKE SHORE DRIVE

Fair

Over: PULLMAN BAY

0.3 MI S OF E MARKET ST, Mercer, OH

Built 1990 Load: 42.4 t ADT: 5,201

SR-219

Fair

Over: COLDWATER CREEK

.52 MI.E. OF SR-118, Mercer, OH

Built 1928 Load: 45.4 t ADT: 5,813

C10 WATKINS RD

Fair

Over: WARD DITCH

0.75 MI E OF SR 118, Mercer, OH

Built 1900 Load: 45.4 t ADT: 316

FRANK ROAD

Fair

Over: DUCKCREEK

0.3 MI W ST RT 49, Mercer, OH

Built 1960 Load: 74.5 t ADT: 324

HELLWARTH ROAD

Fair

Over: TWELVE MILE CREEK

0.1 MI N MORROW ROAD, Mercer, OH

Built 1970 Load: 74.5 t ADT: 220

STOSE ROAD

Fair

Over: GREEN DITCH

0.2 MI. NORTH MORROW RD., Mercer, OH

Built 2000 Load: 77.8 t ADT: 117

C60 CARTHAGENA RD

Fair

Over: COLDWATER CREEK

0.16 MI E OF US118, Mercer, OH

Built 1900 Load: 77.8 t ADT: 1,210

CARTHAGENA ROAD

Fair

Over: BURNTWOOD CREEK

1.8 MI W OF US 127, Mercer, OH

Built 2013 Load: 77.8 t ADT: 1,210

WATKINS ROAD

Fair

Over: BRAANCH OF WABASH RIVER

0.6 MI. E. TOWNSHIP LINE, Mercer, OH

Built 2000 Load: 77.8 t ADT: 215

MUD PIKE

Fair

Over: BEAVER CREEK

0.4 MI E WABASH ROAD, Mercer, OH

Built 1988 Load: 77.8 t ADT: 351

ROSS RD

Fair

Over: KYLE PRAIRIE CREEK

E OF TOMLINSON RD 0.4 MI, Mercer, OH

Built 1991 Load: 77.8 t ADT: 324

MERCER ROAD

Fair

Over: BR TWELVE MILE CR

W OF CEL MEN RD 0.1 MI, Mercer, OH

Built 1994 Load: 77.8 t ADT: 187

GALLMAN RD

Fair

Over: BR OF ST MARYS RIVER

S OF DEEP CUT RD 0.1 MI, Mercer, OH

Built 1992 Load: 77.8 t ADT: 213

SIEGRIST JUTTE RD

Fair

Over: BRANCH OF TOTI CREEK

0.3 MI E BURRVILLE ROAD, Mercer, OH

Built 1987 Load: 77.8 t ADT: 177

SIEGRIST JUTTE RD

Fair

Over: LIMBERLOST CREEK

0.1 MI. E. OHIO-IND LINE, Mercer, OH

Built 2001 Load: 77.8 t ADT: 1,194

SCHROEDER ROAD

Fair

Over: SCHERMAN DITCH

0.5 MI W ST RT 49, Mercer, OH

Built 1987 Load: 77.8 t ADT: 351

PINE ROAD

Fair

Over: CRAB BRANCH

0.3 MI WEST OF WABASH RD, Mercer, OH

Built 2000 Load: 77.8 t ADT: 351

STATE LINE ROAD

Fair

Over: SCHERMAN DITCH

1.5 MILES SOUTH OF SR 67, Mercer, OH

Built 1992 Load: 77.8 t ADT: 144

RAUH ROAD

Fair

Over: CRAB BRANCH

0.6 MI S PINE ROAD, Mercer, OH

Built 2004 Load: 77.8 t ADT: 351

SR-219

Good

Over: CHICKASAW CREEK

.97MI.W.OF AUGLAIZE CO., Mercer, OH

Built 1959 Load: 16.2 t ADT: 1,425

SR49

Good

Over: SHERMAN DITCH

.85 MI. N. OF JCT. SR29, Mercer, OH

Built 1956 Load: 19.4 t ADT: 1,327

T130 SCHROEDER

Good

Over: WABASH RIVER

0.5 MI. EAST OF WABASH RD, Mercer, OH

Built 2006 Load: 19.4 t ADT: 324

SR-274

Good

Over: BRANCH BEAVER CREEK

.29MI.E.OF JCT. USR-127, Mercer, OH

Built 1960 Load: 22.4 t ADT: 3,937

SR119

Good

Over: BRANCH OF WABASH RIVER

.81 MI. E. OF IND. ST.LN., Mercer, OH

Built 1956 Load: 22.7 t ADT: 3,385

SR-707

Good

Over: BIG BLACK CREEK

2.08MI.E.OF JCT. SR-49, Mercer, OH

Built 1961 Load: 22.7 t ADT: 845

CR 31A WABASH RD

Good

Over: WABASH RIVER

0.9 MI. N. OF SR29, Mercer, OH

Built 2006 Load: 22.7 t ADT: 70

SR-707

Good

Over: LITTLE BLACK CREEK

2.45MI.W.OF JCT. SR-118, Mercer, OH

Built 1961 Load: 24.0 t ADT: 845

SR-707

Good

Over: ST. MARYS RIVER

2.78MI.S.OF JCT. SR-117, Mercer, OH

Built 1953 Load: 24.0 t ADT: 566

SR-117

Good

Over: TOWN RUN CREEK

1.81MI. E. OF JCT. SR-118, Mercer, OH

Built 1961 Load: 24.3 t ADT: 96

SR 219

Good

Over: CHANNEL GRAND LAKE

.32M W.OF TR165 HARRISON, Mercer, OH

Built 1989 Load: 24.3 t ADT: 1,425

SR119

Good

Over: WABASH RIVER

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

Built 1963 Load: 24.6 t ADT: 2,639

SR119

Good

Over: STONEY CREEK

.53 MI. E. OF IND. ST.LN., Mercer, OH

Built 1956 Load: 25.6 t ADT: 2,605

USR-127

Good

Over: COLDWATER CREEK

1.27MI.N.OF JCT. SR-703, Mercer, OH

Built 1950 Load: 25.6 t ADT: 9,115

SR49

Good

Over: TWO MILE CREEK

2.17 MI. N. OF DARKE CO., Mercer, OH

Built 1951 Load: 25.9 t ADT: 1,473

SR49

Good

Over: WABASH RIVER

.99 MI. N. OF JCT. SR29, Mercer, OH

Built 1956 Load: 25.9 t ADT: 1,327

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

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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.