Pr 556 0.35 Km over Coamo River
Coamo Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 556 0.35 Km over Coamo River in Coamo Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1948 and reconstructed in 2013, making it 77 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 22 of the 32 inventoried bridges in Coamo Municipio rated fair (68.8%); 5 (15.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, posting recommended but not legally implemented (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: its 2024 load posting has been removed.
- Its most recent inspection on record is dated December 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 → (18.08462, -66.35722)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 65 ft |
| Location | 0.71km North East Coamo |
| NBI structure number | 004971 |
| Condition class | Fair |
| Traffic status (item 41) | Open, posting recommended but not legally implemented |
| Last inspection (item 90) | December 2023 |
| 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 Coamo Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 153 over Coamo River | 1989 | 17,600 | Fair |
| Pr 14 over Coamo River | 1983 | 16,900 | Fair |
| Pr 14 3 Km over La Mina River | 1862 | 10,300 | Fair |
| Pr 723 3.4 Km over Aguas Largas Creek | 1949 | 9,600 | Fair |
| Pr 150 over Descalabrado River | 1957 | 9,600 | Fair |
| Pr-138 Km 1.6 over Dirt Road | 2005 | 9,400 | Fair |
All bridges nearby: Coamo Municipio, PR bridge conditions · every bridge in Coamo Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.