US Bridges

Kuhio HWY over Kilauea Strm

Fair

Kauai County, Hawaii · 0.44MI Se/Kolo RD · Structure no. 007000560302286

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
253 ft
3 main spans
Daily traffic
12,900
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Kilauea Strm is a prestressed concrete stringer/multi-beam or girder carrying Kuhio HWY over Kilauea Strm in Kauai County, Hawaii. It was built in 1973, so it is 52 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.

It carries about 12,900 vehicles a day, roughly 2% of them trucks, projected to reach 10,865 by 2025. The structure is 253 ft (77 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKuhio HWY
CrossesKilauea Strm
Location0.44MI Se/Kolo RD
RouteU.S. Route 56
CountyKauai County
StateHawaii
Coordinates22.20285, -159.40865
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length253 ft (77 m)
Longest span100 ft (30.5 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2017)
Projected traffic10,865 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Kilauea Strm built?

It was built in 1973, making it 52 years old in 2025.

What condition is Kuhio HWY over Kilauea 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 April 2023.

How much traffic does Kuhio HWY over Kilauea Strm carry?

About 12,900 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Kuhio HWY over Kilauea Strm?

The structure is 253 ft (77 m) long with a longest span of 100 ft (30.5 m) and a deck 50 ft wide.

Who owns Kuhio HWY over Kilauea Strm?

It is owned by the State Highway Agency.