Conn. PR181 to 175 over Rio Grande De Loiza
Trujillo Alto Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Conn. PR181 to 175 over Rio Grande De Loiza in Trujillo Alto Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 2,700 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 8 of the 12 inventoried bridges in Trujillo Alto Municipio rated fair (66.7%); 2 (16.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (deck 5 to 7, superstructure 5 to 7, substructure 4 to 5).
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- 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.
View this bridge on a map → (18.35056, -66.00556)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 7 | Good condition |
| Superstructure | 5 | 7 | Good condition |
| Substructure | 4 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 506 ft |
| Location | .42 Km. SE. of Trujillo A |
| NBI structure number | 028301 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Trujillo Alto Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 181 62.0 Km over Grande De Loiza River | 1985 | 42,600 | Poor |
| Pr 8860 over Creek | 1993 | 25,900 | Good |
| Pr 181 over Infierno Creek | 1925 | 13,400 | Fair |
| Pr 852 0.05 Km over Dos Bocas Creek | 1980 | 10,400 | Fair |
| Pr 175 12 Km over Creek | 1950 | 6,800 | Poor |
| Pr 175 over Carraizo Creek | 1953 | 6,600 | Fair |
All bridges nearby: Trujillo Alto Municipio, PR bridge conditions · every bridge in Trujillo Alto Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.