SR-436 WB over Howell Branch
Seminole County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-436 WB over Howell Branch 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 1966 and reconstructed in 1995, making it 59 years old at the 2025 inventory.
- It carries about 29,500 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- 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 August 2023, 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 → (28.63526, -81.32037)
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 stringer or multi-beam girder |
| Length | about 187 ft |
| Location | SR-436 WB - Howell Branch |
| NBI structure number | 770028 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.