How many bridges are in Puerto Rico?

Puerto Rico has 2,387 public highway bridges tracked in the FHWA National Bridge Inventory. View detailed condition data for each bridge on PlainBridges.

What percentage of bridges in Puerto Rico are structurally deficient?

12.0% of bridges in Puerto Rico are classified as structurally deficient by the FHWA, compared to a national average of 7.0%.

State profile · Above national median SD

Puerto Rico bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Puerto Rico — drawn straight from the FHWA National Bridge Inventory.

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026

2,387
Public bridges: 14.1%
Good condition: 12.0%
Poor condition: 12.0%
Structurally deficient

Total Bridges

2,387

Public highway bridges in Puerto Rico

Good Condition

14.1%

336 bridges rated 7-9

-35.9pp vs 50% benchmark

Poor Condition

12.0%

286 bridges rated 0-4

Structurally Deficient

12.0%

286 bridges flagged for repair priority

5.0pp vs national avg 7.0%

Puerto Rico vs national bridge condition

Puerto Rico — Good condition share 14.1%

National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Puerto Rico — Structurally deficient share 39.9%

National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Puerto Rico (FHWA NBI)

Counties (78)

Adjuntas 33 Aguada 19 Aguadilla 13 Aguas Buenas 13 Aibonito 15 Arecibo 51 Arroyo 13 Añasco 22 Barceloneta 11 Barranquitas 14 Bayamón 78 Cabo Rojo 21 Caguas 92 Camuy 4 Canóvanas 30 Carolina 73 Cataño 16 Cayey 81 Ceiba 29 Ciales 18 Cidra 21 Coamo 30 Comerío 16 Corozal 28 Culebra 1 Dorado 20 Fajardo 20 Florida 1 Guayama 29 Guayanilla 34 Guaynabo 63 Gurabo 19 Guánica 25 Hatillo 9 Hormigueros 17 Humacao 69 Isabela 5 Jayuya 34 Juana Díaz 55 Juncos 28 Lajas 6 Lares 16 Las Marías 13 Las Piedras 24 Loíza 5 Luquillo 20 Manatí 15 Maricao 13 Maunabo 22 Mayagüez 45 Moca 13 Morovis 15 Naguabo 51 Naranjito 20 Orocovis 19 Patillas 32 Peñuelas 25 Ponce 123 Quebradillas 3 Rincón 8 Río Grande 47 Sabana Grande 27 Salinas 40 San Germán 45 San Juan 204 San Lorenzo 51 San Sebastián 31 Santa Isabel 12 Toa Alta 17 Toa Baja 28 Trujillo Alto 12 Utuado 57 Vega Alta 16 Vega Baja 23 Vieques 13 Villalba 25 Yabucoa 41 Yauco 40

Puerto Rico vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Puerto Rico on the same metric.

North Dakota

10.84% top marginal rate

Structure: Progressive
Burden @ $100K: $4,242

Louisiana

11.00% top marginal rate

Structure: Progressive
Burden @ $100K: $12,699

Selected

Puerto Rico

11.98% top marginal rate

Structure: Progressive
Burden @ $100K: $2,387

Maine

13.23% top marginal rate

Structure: Progressive
Burden @ $100K: $771

Guam

15.25% top marginal rate

Structure: Progressive
Burden @ $100K: $59

Bridges Needing Most Attention in Puerto Rico

Six lowest-condition bridges in Puerto Rico, ranked by composite NBI rating. Each is inspected at least every 24 months.

OFF PR 184

Poor

Over: GRANDE DE PATILLAS RIVER

11.5 KMS NW. OF PATILLAS, Patillas, PR

Built 1965 Load: 2.7 t ADT: 100

OFF 511 R

Poor

Over: INABON RIVER

29.4 Km North of Ponce, Ponce, PR

Built 2021 Load: 2.7 t ADT: 900

JOSE TORRES STREET

Poor

Over: RIO CULEBRINAS

PR-125 OVR RIO CULEBRINAS, San Sebastián, PR

Built 1901 Load: 2.7 t ADT: 5,900

OFF PR 200

Structurally Deficient

Over: CREEK

ISABEL II CITY, VIEQUES, Vieques, PR

Built 1930 Load: 2.7 t ADT: 500

PR 9912

Poor

Over: GRANDE DE LOIZA RIVER

10 KM S W OF SAN LORENZO, San Lorenzo, PR

Built 1950 Load: 2.8 t ADT: 5,000

PR 955

Poor

Over: JUAN GONZALEZ CREEK

4 KM EAST OF RIO GRANDE, Río Grande, PR

Built 1900 Load: 2.9 t ADT: 1,000

All Bridges in Puerto Rico

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Publisher	Kiznis Studio
Sources	FHWA National Bridge Inventory, public U.S. government datasets

Puerto Rico vs national bridge condition

Condition Distribution

Counties (78)

Bridges Needing Most Attention in Puerto Rico

OFF PR 184

OFF 511 R

JOSE TORRES STREET

OFF PR 200

PR 9912

PR 955

All Bridges in Puerto Rico

PR 18

PR 37

DEL PARQUE STREET

SAN JORGE STREET

PR 22 SOUTHBOUND

RAMP PR 1 TO PR 22

RAMP PR 1 TO PR 22

RAMP PR 22 TO PR 1

PR 27 (BARBOSA AV)

U.P.R. LOCAL ROAD

PR 25

PR 1 (MU&#165;OZ R

PR 26

PR 26

RAMP PR 8 TO PR 17

RAMP 177 TO PR 20

PR 20

RAMP PR 20 TO STH

RAMP FROM PR 20 N

PR 20

RAMP FROM PR 20 S

RAMP PR 25 TO PR17

KALAF STREET

RAMP PR 2 TO PR 22

RAMP PR 25 TO PR 1

PR 1

PR 2

OFF PR 834

RAMP PR 23 PR 18

PR 844

RAMP FROM PR 18

DE DIEGO AVENUE

PR 27 Km. 4.3

PR 181

RAMP CHAR TO SJU

PR 181

RAMP PR181 TO PR17

RAMP PR 17 PR 181

RAMP PR 17 TO PR 8

PR 932

PR 203

PR 52 NORTHBOUND

PR 52 SOUTHBOUND

PR 52 NORTHBOUND

PR 52 SOUTHBOUND

PR 52 NORTHBOUND

PR 52 SOUTHBOUND

PR 52 NORTHBOUND

PR 52 SOUTHBOUND

PR 1

Related

PR 1 (MU¥OZ R