Pr 181 over Salva Tierra Creek
San Lorenzo Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 181 over Salva Tierra Creek in San Lorenzo Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1927, making it 98 years old at the 2025 inventory.
- It carries about 2,600 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 34 of the 51 inventoried bridges in San Lorenzo Municipio rated fair (66.7%); 10 (19.6%) 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 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 → (18.17146, -65.97705)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 35 ft |
| Location | 4 Km South of San Lorenzo |
| NBI structure number | 004221 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 San Lorenzo Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 203 5.8 Km over GDE. DE LOIZA RV.&PR | 1998 | 17,900 | Fair |
| Pr 183 over Los Puercos Creek | 2000 | 17,080 | Good |
| Pr 9931 0.6 Km over Creek | 1945 | 11,900 | Fair |
| Off Pr 183 12.7 Km over Unnamed Creek | 1999 | 10,300 | Fair |
| Pr 183 8.1 Km over Hato Creek | 1925 | 10,000 | Fair |
| Pr 916 3.5 Km over Quebrada Grande Creek | 2003 | 9,200 | Good |
All bridges nearby: San Lorenzo Municipio, PR bridge conditions · every bridge in San Lorenzo Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.