US Bridges

Kuhio HWY over Waioli Strm

FairPosted for load

Kauai County, Hawaii · 0.13MI Nw/Anae RD · Structure no. 007005600500343

Built
1912
113 years old, rebuilt 2019
Condition
Fair
inspected March 2024
Type
Other
Concrete
Length
91 ft
3 main spans
Daily traffic
3,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Waioli Strm is a concrete other carrying Kuhio HWY over Waioli Strm in Kauai County, Hawaii. It was built in 1912 and reconstructed in 2019, so it is 113 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. Its operating status is: posted for load restriction.

It carries about 3,300 vehicles a day, roughly 1% of them trucks, projected to reach 8,025 by 2025. The structure is 91 ft (27.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKuhio HWY
CrossesWaioli Strm
Location0.13MI Nw/Anae RD
RouteU.S. Route 560
StateHawaii
Coordinates22.20044, -159.50708
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length91 ft (27.6 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.9 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2017)
Projected traffic8,025 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$35,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Waioli Strm built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2019.

What condition is Kuhio HWY over Waioli Strm 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 2024.

How much traffic does Kuhio HWY over Waioli Strm carry?

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

How long is Kuhio HWY over Waioli Strm?

The structure is 91 ft (27.6 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns Kuhio HWY over Waioli Strm?

It is owned by the State Highway Agency.