US Bridges

Kuhio HWY over Wainiha River #2

FairPosted for load

Kauai County, Hawaii · 0.13MI Se/Wainiha RD · Structure no. 007005600500670

Built
2004
21 years old
Condition
Fair
inspected March 2023
Type
Truss - Thru
Steel
Length
101 ft
1 main span
Daily traffic
3,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Wainiha River #2 is a steel truss - thru carrying Kuhio HWY over Wainiha River #2 in Kauai County, Hawaii. It was built in 2004, so it is 21 years old, younger 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. 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 101 ft (30.8 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesKuhio HWY
CrossesWainiha River #2
Location0.13MI Se/Wainiha RD
RouteU.S. Route 560
CountyKauai County
StateHawaii
Coordinates22.21269, -159.54325
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating6.1 US tons
Inventory rating5.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOther
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span101 ft (30.8 m)
Deck width18 ft (5.6 m)
Roadway width12 ft (3.7 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$3.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Wainiha River #2 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Kuhio HWY over Wainiha River #2 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 March 2023.

How much traffic does Kuhio HWY over Wainiha River #2 carry?

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

How long is Kuhio HWY over Wainiha River #2?

The structure is 101 ft (30.8 m) long with a longest span of 101 ft (30.8 m) and a deck 18 ft wide.

Who owns Kuhio HWY over Wainiha River #2?

It is owned by the State Highway Agency.