US Bridges

Kuhio HWY over Kapaa Stream

Good

Kauai County, Hawaii · 0.05MI Ne/ Mailihuna RD · Structure no. 007000560300986

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
192 ft
1 main span
Daily traffic
15,700
2019 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Kapaa Stream is a prestressed concrete tee beam carrying Kuhio HWY over Kapaa Stream in Kauai County, Hawaii. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,700 vehicles a day, projected to reach 20,000 by 2039. The structure is 192 ft (58.6 m) long and 42 ft wide.

CarriesKuhio HWY
CrossesKapaa Stream
Location0.05MI Ne/ Mailihuna RD
RouteU.S. Route 56
StateHawaii
Coordinates22.09361, -159.30722
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length192 ft (58.6 m)
Longest span185 ft (56.5 m)
Deck width42 ft (12.9 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,700 (2019)
Projected traffic20,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Kapaa Stream built?

It was built in 2021, making it 4 years old in 2025.

What condition is Kuhio HWY over Kapaa 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 July 2023.

How much traffic does Kuhio HWY over Kapaa Stream carry?

About 15,700 vehicles per day (2019 count).

How long is Kuhio HWY over Kapaa Stream?

The structure is 192 ft (58.6 m) long with a longest span of 185 ft (56.5 m) and a deck 42 ft wide.

Who owns Kuhio HWY over Kapaa Stream?

It is owned by the State Highway Agency.