SR 429 Ramp B over SR 91 Tpk
Orange County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 429 Ramp B over SR 91 Tpk in Orange County, Florida, 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 2002, making it 23 years old at the 2025 inventory.
- It carries about 3,400 vehicles a day (traffic count year 2022).
- It is one of 241 of the 890 inventoried bridges in Orange County rated fair (27.1%); 0 (0.0%) 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 October 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 → (28.54662, -81.55746)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 292 ft |
| Location | 1.1 Mi West of SR 50 |
| NBI structure number | 750546 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Orange County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR-429 NB over Cr-437a | 2024 | 334,750 | Good |
| I-4 over CR 438 (Princeton St) | 2018 | 239,000 | Good |
| I-4 EB over Church Street | 2019 | 216,500 | Good |
| I-4 (SR 400) over SR 423 (Lee Road) | 2018 | 190,500 | Good |
| SR-408 over Summerlin Avenue | 1973 | 187,000 | Good |
| SR-408 over Bumby Ave | 1973 | 187,000 | Fair |
All bridges nearby: Orange County, FL bridge conditions · every bridge in Orange County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.