US Bridges

Kam HWY over Waialua Twn a (helemano)

Fair

Honolulu County, Hawaii · 0.37MI N/Waialua Bch RD · Structure no. 003000830300041

Built
1928
97 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
65 ft
1 main span
Daily traffic
11,600
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Waialua Twn a (helemano) is a concrete tee beam carrying Kam HWY over Waialua Twn a (helemano) in Honolulu County, Hawaii. It was built in 1928, so it is 97 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 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 11,600 vehicles a day, roughly 3% of them trucks, projected to reach 16,348 by 2025. The structure is 65 ft (19.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKam HWY
CrossesWaialua Twn a (helemano)
Location0.37MI N/Waialua Bch RD
RouteU.S. Route 83
StateHawaii
Coordinates21.58006, -158.10525
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2017)
Projected traffic16,348 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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$580,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Waialua Twn a (helemano) built?

It was built in 1928, making it 97 years old in 2025.

What condition is Kam HWY over Waialua Twn a (helemano) 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 May 2024.

How much traffic does Kam HWY over Waialua Twn a (helemano) carry?

About 11,600 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kam HWY over Waialua Twn a (helemano)?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Kam HWY over Waialua Twn a (helemano)?

It is owned by the State Highway Agency.