US Bridges

Kuhio HWY over Moloaa Strm

Fair

Kauai County, Hawaii · 1.86MI Nw/Koolau RD · Structure no. 007000560301844

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
12,200
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Moloaa Strm is a prestressed concrete stringer/multi-beam or girder carrying Kuhio HWY over Moloaa Strm in Kauai County, Hawaii. It was built in 1965, so it is 60 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 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 12,200 vehicles a day, roughly 4% of them trucks, projected to reach 11,219 by 2025. The structure is 240 ft (73.2 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKuhio HWY
CrossesMoloaa Strm
Location1.86MI Nw/Koolau RD
RouteU.S. Route 56
CountyKauai County
StateHawaii
Coordinates22.18232, -159.35819
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.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81.8 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2017)
Projected traffic11,219 by 2025
Trucks4%
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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhio HWY over Moloaa Strm built?

It was built in 1965, making it 60 years old in 2025.

What condition is Kuhio HWY over Moloaa 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 Moloaa Strm carry?

About 12,200 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Kuhio HWY over Moloaa Strm?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns Kuhio HWY over Moloaa Strm?

It is owned by the State Highway Agency.