Undallo Rd over Canal E-105
St. Lucie County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Undallo Rd over Canal E-105 in St. Lucie County, Florida, 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2023).
- Its listed owner is a city or municipal highway agency.
- It is one of 109 of the 150 inventoried bridges in St. Lucie County rated good (72.7%); 4 (2.7%) 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 February 2025, 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 → (27.21448, -80.36163)
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 slab |
| Length | about 45 ft |
| Location | 0.3MI W of DARWIN BLVD. |
| NBI structure number | 945266 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| 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 Florida department of transportation.
Busiest bridges in St. Lucie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Port St. Lucie Bld over SR-91 (Florida Turnpike) | 1995 | 50,000 | Good |
| SB I-95 (SR-9) over Gatlin Blvd | 1982 | 49,750 | Fair |
| NB I-95 (SR-9) over Gatlin Blvd | 1982 | 49,750 | Good |
| SB I-95 (SR-9) over SW Cadima St & C24 Canal | 1982 | 49,750 | Good |
| NB I-95 (SR-9) over Galiano Rd & C-24 Canal | 1982 | 49,750 | Good |
| Crosstown Parkway over St Lucie River | 2019 | 47,000 | Good |
All bridges nearby: St. Lucie County, FL bridge conditions · every bridge in St. Lucie County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.