County profile · official public datasets

Patillas County, PR

32 public highway bridges tracked in the FHWA National Bridge Inventory: 21.9% rated Good, 59.4% Fair, 18.8% Poor.

32
Public bridges: 21.9%
Good condition: 18.8%
Poor condition

The verdict

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

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

52nd
of 74 on Poor share: 18.8%
Poor-condition share: 32
public highway bridges: 1970
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.

Patillas County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Patillas County ranks #52 of 74 Puerto Rico counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 18.8%). Patillas County, Puerto Rico contains 32 public highway bridges. Roughly 21.9% are rated “Good,” 59.4% “Fair,” and 18.8% “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

Public highway bridges in Patillas County

Good condition

21.9%

7 of 32 rated 7-9

Fair condition

59.4%

19 of 32 rated 5-6

Poor condition

18.8%

6 of 32 rated 4 or below

In-state Poor-share rank

#52 of 74

Among Puerto Rico counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 32 NBI-tracked bridges by lowest applicable component rating.

Good

21.9% (7)

Fair

59.4% (19)

Poor

18.8% (6)

Patillas County's Poor-condition bridges carry 16,400 vehicle crossings a day

That is 12.8% of the county's reported daily bridge traffic on 18.8% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 2,733 crossings a day against 6,266 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 32 of 32 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

59.4% of Patillas County's bridges have passed the 50-year mark

19 of the 32 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 21.9% 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 55.5% of the county's Poor-condition bridge traffic

PR 3 over JACABOA RIVER, built 1941, carries 9,100 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 6-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 16,400 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

1930s

3
1940s

4
1950s

8
1960s

4
1980s

4
1990s

3
2000s

5
2010s

1

What this shows Construction peaked in the 1950s, when 8 of the county's bridges still in the inventory were built, which is 25% of those with a recorded year. That cohort is now 65 to 74 years old in the 2024 inventory. Its average build year (1970) matches the Puerto Rico average (1974).

How Patillas County compares with Puerto Rico's closest counties by inventory size

The 5 Puerto Rico counties nearest Patillas County in number of bridges, with their condition splits. Its 18.8% Poor share is the 5th-lowest of these 6. Its average build year of 1970 against a peer-group mean of 1969 is in line with the group.

Showing the 5 closest of 73 Puerto Rico counties eligible for comparison.

Bridge inventory size and condition shares for Patillas County and the 5 Puerto Rico counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Guayanilla County	34	5.9%	73.5%	20.6%	1974
Jayuya County	34	5.9%	76.5%	17.6%	1964
Adjuntas County	33	9.1%	75.8%	15.2%	1960
Patillas County (this page)	32	21.9%	59.4%	18.8%	1970
San Sebastián County	31	16.1%	74.2%	9.7%	1966
Canóvanas County	30	36.7%	46.7%	16.7%	1979

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 Patillas 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 Patillas County, both outside Puerto Rico so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside PR (32 bridges here).

Alpine County, CA · 32 bridges
Lincoln County, GA · 32 bridges
Butte County, ID · 32 bridges
Alpena County, MI · 32 bridges

Similar average build year

Nearest mean year-built outside PR (1970 here).

Hamilton County, OH · avg 1970 · 783 bridges
Yavapai County, AZ · avg 1970 · 543 bridges
Garfield County, OK · avg 1970 · 504 bridges
San Luis Obispo County, CA · avg 1970 · 401 bridges

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

All 32 Good 7 Fair 19 Poor 6

All bridges (32)

Sort:

Patillas County Bridge Snapshot

Condition distribution

Patillas County's Poor-condition bridges carry 16,400 vehicle crossings a day

59.4% of Patillas County's bridges have passed the 50-year mark

One structure carries 55.5% of the county's Poor-condition bridge traffic

How Patillas County compares with Puerto Rico'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 (32)

PR 762

OFF PR 757 @ K3.8

LOCAL ROAD

PR 3

PR 7755

PR 181

PR 181

OFF PR 7755

PR 7757

PR 184

PR 184

PR 184

PR 799

PR 181

PR 181

PR 7757

PR 3R

PR 7757

PR 754

OFF PR 184

PR-3

PR 181

OFF PR 184 @ 11.6

PR 3

PR 184

PR 184

OFF PR 184

PR 757

PR 7759

PR 3

OFF PR 757 AT K2.8

PR 53

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