Pr 173 over La Plata River
Aibonito Municipio, Puerto Rico · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 173 over La Plata River in Aibonito Municipio, Puerto Rico, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 13,800 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 2 of the 17 inventoried bridges in Aibonito Municipio rated good (11.8%); 5 (29.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (18.15806, -66.22833)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 321 ft |
| Location | 5 Km. NE of Aibonito |
| NBI structure number | 025711 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Aibonito Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 725 over Aibonito River | 1940 | 12,400 | Fair |
| Pr 725 4.2 Km over Aibonito River | 1970 | 8,900 | Poor |
| Off Pr 725 Km 2.6 over Rio Aibonito | 2010 | 8,900 | Poor |
| Pr 722 7.2 Km over Aibonito River | 1943 | 7,600 | Fair |
| Brisa Aibonito St over Unnamed Creek | 1987 | 7,600 | Fair |
| Pr 14 57.2 Km over Honda Creek | 1891 | 6,400 | Poor |
All bridges nearby: Aibonito Municipio, PR bridge conditions · every bridge in Aibonito Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.