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Oak Avenue Parkway over Willow Creek

Sacramento County, California · rated Good in the 2025 National Bridge Inventory

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

Oak Avenue Parkway over Willow Creek in Sacramento County, California, 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 1988, making it 37 years old at the 2025 inventory.
It carries about 15,842 vehicles a day (traffic count year 2007).
Its listed owner is a city or municipal highway agency.
It is one of 392 of the 737 inventoried bridges in Sacramento County rated good (53.2%); 16 (2.2%) are rated poor.
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 (2025)	FHWA scale meaning
Culvert	7	Good condition


Structure	Continuous concrete culvert
Length	about 41 ft
Location	0.5 Mi S. of Blue Ravine
NBI structure number	24C0386
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
U.S. Highway 50 over 39TH Street	1971	231,000	Good
U.S. Highway 50 over 65TH Street	1971	231,000	Good
Interstate 80 over Winters Street	1970	200,000	Good
State Route 99 over 21ST Ave	1959	193,000	Good
State Route 99 over 2ND Ave	1959	193,000	Good
State Route 99 over Broadway	1961	193,000	Good