US Bridges

Kam HWY over Malaekahana Strm

Good

Honolulu County, Hawaii · 0.50MI E/Kahuku Hi Sch RD · Structure no. 003000830301638

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
13,700
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Malaekahana Strm is a prestressed concrete stringer/multi-beam or girder carrying Kam HWY over Malaekahana Strm in Honolulu County, Hawaii. It was built in 2000, so it is 25 years old, younger 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 13,700 vehicles a day, roughly 5% of them trucks, projected to reach 12,725 by 2025. The structure is 107 ft (32.6 m) long and 57 ft wide.

CarriesKam HWY
CrossesMalaekahana Strm
Location0.50MI E/Kahuku Hi Sch RD
RouteU.S. Route 83
StateHawaii
Coordinates21.67239, -157.94104
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length107 ft (32.6 m)
Longest span102 ft (31.1 m)
Deck width57 ft (17.4 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2017)
Projected traffic12,725 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Malaekahana Strm built?

It was built in 2000, making it 25 years old in 2025.

What condition is Kam HWY over Malaekahana 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 July 2024.

How much traffic does Kam HWY over Malaekahana Strm carry?

About 13,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Kam HWY over Malaekahana Strm?

The structure is 107 ft (32.6 m) long with a longest span of 102 ft (31.1 m) and a deck 57 ft wide.

Who owns Kam HWY over Malaekahana Strm?

It is owned by the State Highway Agency.