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SR 91 Tpk NS 203.4 over Outfall Canal

Osceola County, Florida · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

SR 91 Tpk NS 203.4 over Outfall Canal in Osceola County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1963, making it 62 years old at the 2025 inventory.
It carries about 36,000 vehicles a day (traffic count year 2024).
It is one of 159 of the 256 inventoried bridges in Osceola County rated good (62.1%); 0 (0.0%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
It was rated fair in the 2024 inventory and is now good (culvert 6 to 7).
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.

Component ratings

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	6	7	Good condition


Structure	Concrete culvert
Length	about 24 ft
Location	10.3 miles north of SR 60
NBI structure number	920060
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)	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.

Bridge	Built	Vehicles/day	Condition
I-4 over Ditch	1960	142,500	Fair
I-4 over Davenport Creek	1960	135,500	Fair
I-4 over Ditch	1960	135,500	Fair
SR 91 Tpk NS 248.5 over Mill Slough	1963	81,200	Fair
I-4 WB over Reedy Creek	1960	67,750	Fair
I-4 EB over Reedy Creek	1960	67,750	Good