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Pr 18 2.1 Km over Piedras River

San Juan Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Pr 18 2.1 Km over Piedras River in San Juan Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1967 and reconstructed in 1982, making it 58 years old at the 2025 inventory.
It carries about 261,000 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 138 of the 201 inventoried bridges in San Juan Municipio rated fair (68.7%); 21 (10.4%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous concrete tee beam
Length	about 132 ft
Location	0.3 KM N INT PR17 & P
NBI structure number	010101
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.

Bridge	Built	Vehicles/day	Condition
Pr 18 3.35 Km over Ave. Amer Miranda 1.4 Km	1967	261,400	Poor
Ramp PR18 0.02 Km over Pr 18 NB Pr 22 WB Km 2	2007	239,000	Fair
Rmp 18 SB 21 WB over Ramp Pr-21 Centro Medico	2018	239,000	Good
Pr-18 over Pr-21	2020	239,000	Good
Pr 22 0.7 Km over Pr 35 2.4 Km	1976	201,100	Fair
Pr 22 Pr 18 .1 Km over Los Muertos Creek	1975	196,173	Fair