US Bridges

Kuhio HWY over Moikeha Canal

Fair

Kauai County, Hawaii · 0.05MI Ne/Lehua ST · Structure no. 007000560400859

Built
1948
77 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
22,500
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Moikeha Canal is a concrete continuous tee beam carrying Kuhio HWY over Moikeha Canal in Kauai County, Hawaii. It was built in 1948, so it is 77 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 5 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 22,500 vehicles a day, roughly 2% of them trucks, projected to reach 23,195 by 2025. The structure is 81 ft (24.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKuhio HWY
CrossesMoikeha Canal
Location0.05MI Ne/Lehua ST
RouteU.S. Route 56
CountyKauai County
StateHawaii
Coordinates22.07842, -159.3154
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length81 ft (24.7 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2017)
Projected traffic23,195 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Moikeha Canal built?

It was built in 1948, making it 77 years old in 2025.

What condition is Kuhio HWY over Moikeha Canal 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 Moikeha Canal carry?

About 22,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Kuhio HWY over Moikeha Canal?

The structure is 81 ft (24.7 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns Kuhio HWY over Moikeha Canal?

It is owned by the State Highway Agency.