US Bridges

Kuhio HWY over Hanamaulu Strm(kapaia)

Fair

Kauai County, Hawaii · 0.10MI Ne/Wailua Fls. RD · Structure no. 007000560400123

Built
1933
92 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
18,600
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Hanamaulu Strm(kapaia) is a concrete continuous tee beam carrying Kuhio HWY over Hanamaulu Strm(kapaia) in Kauai County, Hawaii. It was built in 1933, so it is 92 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,600 vehicles a day, roughly 1% of them trucks, projected to reach 19,213 by 2025. The structure is 157 ft (47.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKuhio HWY
CrossesHanamaulu Strm(kapaia)
Location0.10MI Ne/Wailua Fls. RD
RouteU.S. Route 56
CountyKauai County
StateHawaii
Coordinates21.99195, -159.36496
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length157 ft (47.9 m)
Longest span53 ft (16.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2017)
Projected traffic19,213 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Hanamaulu Strm(kapaia) built?

It was built in 1933, making it 92 years old in 2025.

What condition is Kuhio HWY over Hanamaulu Strm(kapaia) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Kuhio HWY over Hanamaulu Strm(kapaia) carry?

About 18,600 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Kuhio HWY over Hanamaulu Strm(kapaia)?

The structure is 157 ft (47.9 m) long with a longest span of 53 ft (16.3 m) and a deck 30 ft wide.

Who owns Kuhio HWY over Hanamaulu Strm(kapaia)?

It is owned by the State Highway Agency.