Off Pr 172 13.3 Km over Cidra Lake
Cidra Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Off Pr 172 13.3 Km over Cidra Lake in Cidra Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 11,900 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- It is one of 15 of the 21 inventoried bridges in Cidra Municipio rated fair (71.4%); 4 (19.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 6.
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (18.18162, -66.15083)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel deck truss |
| Length | about 140 ft |
| Location | 1.5 Km NE of Cidra |
| NBI structure number | 029541 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Cidra Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 172 13.7 Km over Sabana River | 1944 | 20,500 | Poor |
| Pr 172 over Sabana River | 2011 | 20,500 | Good |
| Pr 172 15.1 Km over Bayamon River | 1944 | 14,400 | Poor |
| Off Pr 1 51.5 Km over Beatriz Creek | 2012 | 13,900 | Fair |
| Off Pr 172 13.3 Km over Cidra Reservoir Dam | 2011 | 11,900 | Fair |
| Pr 171 0.7 Km over Arroyata Creek | 1950 | 9,700 | Fair |
All bridges nearby: Cidra Municipio, PR bridge conditions · every bridge in Cidra Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.