County profile · official public datasets

Greene County, OH

344 public highway bridges tracked in the FHWA National Bridge Inventory: 67.4% rated Good, 29.7% Fair, 2.9% Poor.

344
Public bridges: 67.4%
Good condition: 2.9%
Poor condition

The verdict

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

Greene County posts a better-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.

Top 42%
lowest Poor share in state: 2.9%
Poor-condition share: 344
public highway bridges: 1977
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.

Greene County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Greene County ranks #37 of 88 Ohio counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 2.9%). Greene County, Ohio contains 344 public highway bridges. Roughly 67.4% are rated “Good,” 29.7% “Fair,” and 2.9% “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

344

Public highway bridges in Greene County

Good condition

67.4%

232 of 344 rated 7-9

Fair condition

29.7%

102 of 344 rated 5-6

Poor condition

2.9%

10 of 344 rated 4 or below

In-state Poor-share rank

#37 of 88

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

Condition distribution

Share of 344 NBI-tracked bridges by lowest applicable component rating.

Good

67.4% (232)

Fair

29.7% (102)

Poor

2.9% (10)

Greene County's Poor-condition bridges carry 22,614 vehicle crossings a day

That is 0.9% of the county's reported daily bridge traffic on 2.6% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 2,513 crossings a day against 7,906 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 343 of 344 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

42.4% of Greene County's bridges have passed the 50-year mark

146 of the 344 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 67.4% 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 33.2% of the county's Poor-condition bridge traffic

SR 835 over TRIB LIT BEAVER CREEK, built 1985, carries 7,512 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 10-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 22,614 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

2
1940s

14
1950s

30
1960s

36
1970s

86
1980s

74
1990s

53
2000s

25
2010s

10
2020s

3

What this shows Construction peaked in the 1970s, when 86 of the county's bridges still in the inventory were built, which is 25% of those with a recorded year. That cohort is now 45 to 54 years old in the 2024 inventory. Its average build year (1977) matches the Ohio average (1977).

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

The 5 Ohio counties nearest Greene County in number of bridges, with their condition splits. Its 2.9% Poor share is the 3rd-lowest of these 6. Its average build year of 1977 against a peer-group mean of 1975 is in line with the group.

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

Bridge inventory size and condition shares for Greene County and the 5 Ohio counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Guernsey County	350	41.7%	49.1%	9.1%	1975
Mahoning County	348	56.6%	38.5%	4.9%	1967
Greene County (this page)	344	67.4%	29.7%	2.9%	1977
Clark County	340	73.8%	26.2%	0%	1973
Tuscarawas County	336	66.7%	31%	2.4%	1981
Warren County	336	58.6%	36%	5.4%	1981

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 Greene 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 Greene County, both outside Ohio so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside OH (344 bridges here).

Shelby County, AL · 344 bridges
DuPage County, IL · 344 bridges
Kankakee County, IL · 344 bridges
Cumberland County, ME · 344 bridges

Similar average build year

Nearest mean year-built outside OH (1977 here).

San Diego County, CA · avg 1977 · 1,632 bridges
King County, WA · avg 1977 · 1,238 bridges
Riverside County, CA · avg 1977 · 1,117 bridges
Shelby County, TN · avg 1977 · 1,077 bridges

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

All 344 Good 232 Fair 102 Poor 10

Good-condition bridges (232)

Sort:

Greene County Bridge Snapshot

Condition distribution

Greene County's Poor-condition bridges carry 22,614 vehicle crossings a day

42.4% of Greene County's bridges have passed the 50-year mark

One structure carries 33.2% of the county's Poor-condition bridge traffic

How Greene 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

Good-condition bridges (232)

MAPLE AVENUE

BARNETT DRIVE

SPRUCE WAY

SKEEL AVENUE

SR 72

LONGSTREET LANE

UPPER BELLBROOK RD

COLONEL GLENN HWY

US 68

SR 725

IR 675 S-US 35 E

GRAVEL PIT

HILL ST

US68

E RAMP EB235-SB675

RAMP-NE TO IR 675

JASPER RD.

BRYAN RD.(T.R.19)

SR 72

SR 72

SB IR 675

SKYLINE DR N RAMP

PAINT-PORT WM RD

GRINNELL ROAD

PAINT. NEW JASPER

WILBERFORCE CLIFTO

NORTH FAIRFIELD RD

RAMP US35E-IR675N

EB US 35

US 42

US-42

US 68

SR 72

SR 72

SR 235

SR 380

US 35W-IR 675S

IR 675N-US 35W

IR 675

FEEDWIRE RD C21

EB SWIGART RD C80

IR 675

WAGNER RD

INDIAN RIPPLE RD E

INDIAN RIPPLE RD W

SHAKERTOWN RD

SB IR 675

NB IR 675

SB IR 675

NB IR 675

Related