US Bridges

Kuhio HWY over Aliomanu Strm

Good

Kauai County, Hawaii · 0.90MI Nw/Aliomanu RD · Structure no. 007000560301489

Built
1959
66 years old
Condition
Good
inspected February 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
14,400
2017 count
Owner
State
State Highway Agency

About this bridge

Kuhio HWY over Aliomanu Strm is a concrete frame carrying Kuhio HWY over Aliomanu Strm in Kauai County, Hawaii. It was built in 1959, so it is 66 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,400 vehicles a day, roughly 3% of them trucks, projected to reach 12,666 by 2025. The structure is 22 ft (6.8 m) long and 42 ft wide.

CarriesKuhio HWY
CrossesAliomanu Strm
Location0.90MI Nw/Aliomanu RD
RouteU.S. Route 56
StateHawaii
Coordinates22.15989, -159.31726
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,400 (2017)
Projected traffic12,666 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Aliomanu Strm built?

It was built in 1959, making it 66 years old in 2025.

What condition is Kuhio HWY over Aliomanu Strm in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Kuhio HWY over Aliomanu Strm carry?

About 14,400 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kuhio HWY over Aliomanu Strm?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns Kuhio HWY over Aliomanu Strm?

It is owned by the State Highway Agency.