County profile · official public datasets

Greene County, PA

306 public highway bridges tracked in the FHWA National Bridge Inventory: 37.3% rated Good, 46.7% Fair, 16% Poor.

306
Public bridges: 37.3%
Good condition: 16%
Poor condition

The verdict

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

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

53rd
of 67 on Poor share: 16%
Poor-condition share: 306
public highway bridges: 1967
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 #53 of 67 Pennsylvania counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 16%). Greene County, Pennsylvania contains 306 public highway bridges. Roughly 37.3% are rated “Good,” 46.7% “Fair,” and 16% “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

306

Public highway bridges in Greene County

Good condition

37.3%

114 of 306 rated 7-9

Fair condition

46.7%

143 of 306 rated 5-6

Poor condition

16%

49 of 306 rated 4 or below

In-state Poor-share rank

#53 of 67

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

Condition distribution

Share of 306 NBI-tracked bridges by lowest applicable component rating.

Good

37.3% (114)

Fair

46.7% (143)

Poor

16% (49)

Greene County's Poor-condition bridges carry 20,243 vehicle crossings a day

That is 3.7% of the county's reported daily bridge traffic on 15.7% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 422 crossings a day against 2,187 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 305 of 306 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

61.8% of Greene County's bridges have passed the 50-year mark

189 of the 306 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 37.3% 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 18.5% of the county's Poor-condition bridge traffic

SR 0088 over TRIB. MONONGAHELA RIVER, built 1922, carries 3,746 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 49-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 20,243 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

pre-1900

5
1900s

10
1910s

27
1920s

14
1930s

32
1940s

17
1950s

16
1960s

47
1970s

22
1980s

5
1990s

27
2000s

30
2010s

48
2020s

6

What this shows Construction peaked in the 2010s, when 48 of the county's bridges still in the inventory were built, which is 15.7% of those with a recorded year. That cohort is now 5 to 14 years old in the 2024 inventory. Its average build year (1967) matches the Pennsylvania average (1970).

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

The 5 Pennsylvania counties nearest Greene County in number of bridges, with their condition splits. Its 16% Poor share is the 4th-lowest of these 6. Its average build year of 1967 against a peer-group mean of 1967 is in line with the group.

Showing the 5 closest of 66 Pennsylvania counties eligible for comparison.

Bridge inventory size and condition shares for Greene County and the 5 Pennsylvania counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Monroe County	315	26.3%	52.7%	21%	1966
Greene County (this page)	306	37.3%	46.7%	16%	1967
Indiana County	301	29.9%	51.2%	18.9%	1972
Beaver County	299	41.1%	48.8%	10%	1972
Northumberland County	299	41.8%	51.5%	6.7%	1963
Franklin County	294	29.6%	62.2%	8.2%	1964

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 Pennsylvania so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside PA (306 bridges here).

La Paz County, AZ · 306 bridges
Adair County, IA · 306 bridges
Greene County, TN · 306 bridges
Grant County, WA · 306 bridges

Similar average build year

Nearest mean year-built outside PA (1967 here).

Los Angeles County, CA · avg 1967 · 3,547 bridges
Sonoma County, CA · avg 1967 · 609 bridges
Merced County, CA · avg 1967 · 528 bridges
Shasta County, CA · avg 1967 · 492 bridges

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

All 306 Good 114 Fair 143 Poor 49

Fair-condition bridges (143)

Sort:

Greene County Bridge Snapshot

Condition distribution

Greene County's Poor-condition bridges carry 20,243 vehicle crossings a day

61.8% of Greene County's bridges have passed the 50-year mark

One structure carries 18.5% of the county's Poor-condition bridge traffic

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

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

Fair-condition bridges (143)

T-674 N MARKET ST

SR0018

SR 0079

SR 1006

SR 1011

SR 1019

SR 1019

SR 3007

SR 3010

SR 3022

T536 CHURCH RUN RD

SR 0021

SR 1008

SR 2003

SR 2009

SR 3001

SR 4003

EAST STREET

SR 0079

SR 0079

SR 2035

SR 0018

SR 0021

SR 0079

SR 3013

TOWNSHIP ROAD 362

T-808 L SHANNON RD

SR 0018

SR 1007

SR 4025

TOWNSHIP ROAD 390

IRON ROCK RD 453

SR 0088

SR 0079

SR 0079

SR 2020

SR 0021

SR 0021

SR 0079

SR 0079

SR 1003

SR 3008

SR 3016

Hoy Run Road

TOWNSHIP ROAD 341

TOWNSHIP ROAD 490

SR 2024

SR 3007

GRINNAGE RUN RD

SR 1029

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