US Bridges

Kam HWY over Lauhulu Strm

Fair

Honolulu County, Hawaii · 0.14MI Ne/Meadowgold RD · Structure no. 003000830300339

Built
1937
88 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
70 ft
2 main spans
Daily traffic
12,700
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Lauhulu Strm is a concrete continuous slab carrying Kam HWY over Lauhulu Strm in Honolulu County, Hawaii. It was built in 1937, so it is 88 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 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 12,700 vehicles a day, roughly 3% of them trucks, projected to reach 16,348 by 2025. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKam HWY
CrossesLauhulu Strm
Location0.14MI Ne/Meadowgold RD
RouteU.S. Route 83
CountyHonolulu County
StateHawaii
Coordinates21.61713, -158.08674
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length70 ft (21.3 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2017)
Projected traffic16,348 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$351,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Lauhulu Strm built?

It was built in 1937, making it 88 years old in 2025.

What condition is Kam HWY over Lauhulu 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 May 2024.

How much traffic does Kam HWY over Lauhulu Strm carry?

About 12,700 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kam HWY over Lauhulu Strm?

The structure is 70 ft (21.3 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Kam HWY over Lauhulu Strm?

It is owned by the State Highway Agency.