County profile · official public datasets

Belmont County, OH

310 public highway bridges tracked in the FHWA National Bridge Inventory: 52.3% rated Good, 42.6% Fair, 5.2% Poor.

310
Public bridges: 52.3%
Good condition: 5.2%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Belmont County pairs a higher-than-median Poor-condition share among rated counties in the state with a newer average build year than the state inventory.

52nd
of 88 on Poor share: 5.2%
Poor-condition share: 310
public highway bridges: 1982
avg year built

Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.

Belmont County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Belmont County ranks #52 of 88 Ohio counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 5.2%). Belmont County, Ohio contains 310 public highway bridges. Roughly 52.3% are rated “Good,” 42.6% “Fair,” and 5.2% “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.

Total bridges

310

Public highway bridges in Belmont County

Good condition

52.3%

162 of 310 rated 7-9

Fair condition

42.6%

132 of 310 rated 5-6

Poor condition

5.2%

16 of 310 rated 4 or below

In-state Poor-share rank

#52 of 88

Among Ohio counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 310 NBI-tracked bridges by lowest applicable component rating.

Good

52.3% (162)

Fair

42.6% (132)

Poor

5.2% (16)

Belmont County's Poor-condition bridges carry 49,906 vehicle crossings a day

That is 3.9% of the county's reported daily bridge traffic on 5.2% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 3,119 crossings a day against 4,753 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.

Computed over the 310 of 310 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

31.3% of Belmont County's bridges have passed the 50-year mark

97 of the 310 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 52.3% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.

Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.

One structure carries 38.3% of the county's Poor-condition bridge traffic

IR 70 over SR7&767 RR WLG.CR OHIO R, built 1968, carries 19,121 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 16-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 49,906 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

pre-1900

3
1900s

5
1910s

1
1920s

2
1930s

15
1940s

11
1950s

17
1960s

39
1970s

27
1980s

41
1990s

58
2000s

37
2010s

53
2020s

1

What this shows Construction peaked in the 1990s, when 58 of the county's bridges still in the inventory were built, which is 18.7% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year is 1982, 5 years newer than the Ohio average of 1977.

How Belmont County compares with Ohio's closest counties by inventory size

The 5 Ohio counties nearest Belmont County in number of bridges, with their condition splits. Its 5.2% Poor share is the 2nd-lowest of these 6. Its average build year of 1982 against a peer-group mean of 1976 is 6 years newer.

Showing the 5 closest of 87 Ohio counties eligible for comparison.

Bridge inventory size and condition shares for Belmont County and the 5 Ohio counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Miami County	315	72.1%	21%	7%	1983
Huron County	311	58.2%	33.8%	8%	1982
Belmont County (this page)	310	52.3%	42.6%	5.2%	1982
Athens County	309	54%	39.2%	6.8%	1975
Washington County	309	61.2%	32.4%	6.5%	1974
Ashtabula County	305	72.5%	23.9%	3.6%	1967

Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Belmont County's. Source: FHWA National Bridge Inventory, 2024 release.

Nationwide counties with similar inventory size or average build year

Two NBI-derived peer sets for Belmont County, both outside Ohio so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside OH (310 bridges here).

Franklin County, IL · 310 bridges
Okmulgee County, OK · 310 bridges
Woods County, OK · 310 bridges
Tom Green County, TX · 310 bridges

Similar average build year

Nearest mean year-built outside OH (1982 here).

Oklahoma County, OK · avg 1982 · 1,216 bridges
Jackson County, MO · avg 1982 · 930 bridges
Milwaukee County, WI · avg 1982 · 893 bridges
Champaign County, IL · avg 1982 · 727 bridges

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

All 310 Good 162 Fair 132 Poor 16

All bridges (310)

Sort:

Belmont County Bridge Snapshot

Condition distribution

Belmont County's Poor-condition bridges carry 49,906 vehicle crossings a day

31.3% of Belmont County's bridges have passed the 50-year mark

One structure carries 38.3% of the county's Poor-condition bridge traffic

How Belmont County compares with Ohio's closest counties by inventory size

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

All bridges (310)

S.R.148

SR 148

BRIDGE STREET

STATE ROUTE 149

UNI. TR 203

SR 7

TR 426

TWSHP RD 438

TR 300

TR 34

TR 529

TR 276

NB OFF RMPC FRM S7

TR 180

CR 92

TR 325

T 1076

TWSHP RD 476

CH 5

TR 87

CR 102

TR 101

RAMP A TO SR 7

CH 5

S.R. 149

CH 54

S.R.149

CH 92

TR 474A

CH 102

CH 78

GOS. TR 192

CH 5

SR 7

SR 7

TR 279

TR 284

CR-26 TWENTY SIX R

DIXON HILL RD

C505 N GUERNSEY ST

SR 7

SR 7

US 40

PLAINFIELD RD CR-7

SR 331

IR 470

GLENS RUN RD

CH 56

COUNTY ROAD 5

SR 7

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