US Bridges

Kuhio HWY over Waikoko Stream

GoodPosted for load

Kauai County, Hawaii · 0.8MI Nw/Kumu RD · Structure no. 007005600500428

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Other
Concrete
Length
72 ft
1 main span
Daily traffic
3,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Waikoko Stream is a concrete other carrying Kuhio HWY over Waikoko Stream in Kauai County, Hawaii. It was built in 2019, so it is 6 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 3,300 vehicles a day, roughly 1% of them trucks, projected to reach 6,279 by 2025. The structure is 72 ft (21.9 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKuhio HWY
CrossesWaikoko Stream
Location0.8MI Nw/Kumu RD
RouteU.S. Route 560
CountyKauai County
StateHawaii
Coordinates22.20716, -159.51683
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating65.7 US tons
Inventory rating57.9 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width21 ft (6.4 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2017)
Projected traffic6,279 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$255,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Waikoko Stream built?

It was built in 2019, making it 6 years old in 2025.

What condition is Kuhio HWY over Waikoko Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Kuhio HWY over Waikoko Stream carry?

About 3,300 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Kuhio HWY over Waikoko Stream?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 21 ft wide.

Who owns Kuhio HWY over Waikoko Stream?

It is owned by the State Highway Agency.