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Kaumualii Highway over Hanapepe River

Kauai County, Hawaii · rated Good in the 2025 National Bridge Inventory

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

Kaumualii Highway over Hanapepe River in Kauai County, Hawaii, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2021, making it 4 years old at the 2025 inventory.
It carries about 18,600 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 23 of the 85 inventoried bridges in Kauai County rated good (27.1%); 6 (7.1%) 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


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 315 ft
Location	0.07 MI SE/Hanapepe V Rd
NBI structure number	007000500301632
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Kaumualii Hwy over Nawiliwili Str/lihue M	1936	34,100	Fair
Kaumualii Highway over Nawiliwili Stream OB	2014	34,100	Good
Kaumualii Hwy over Unknown Stream	2000	34,000	Fair
Kuhio Hwy over Wailua River	1945	31,600	Poor
Kuhio Hwy/plan.rd. over Wailua River	1920	31,600	Fair
Kuhio Hwy over Uhelekawawa Canal	1963	29,200	Fair