SR 417 SB 49.9 over Airport Blvd
Seminole County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 417 SB 49.9 over Airport Blvd in Seminole 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 2002, making it 23 years old at the 2025 inventory.
- It carries about 23,350 vehicles a day (traffic count year 2022).
- It is one of 150 of the 178 inventoried bridges in Seminole County rated good (84.3%); 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 February 2024, 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 → (28.76938, -81.27549)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 177 ft |
| Location | 0.3 Mi South of US 17 92 |
| NBI structure number | 770600 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| 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 Seminole County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-4 WB over SR 429 | 2023 | 385,000 | Good |
| I-4 EB Ramp M1 over SR 429 | 2016 | 148,500 | Good |
| I-4 over Outfall Ditch | 1959 | 138,000 | Good |
| I-4 over SR-434 | 2019 | 125,000 | Good |
| I-4 WB over Orange Blvd & CSXRR | 2003 | 69,000 | Good |
| I-4 EB over Orange Blvd.& CSX RR. | 2003 | 69,000 | Good |
All bridges nearby: Seminole County, FL bridge conditions · every bridge in Seminole County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.