US Bridges

Kamehameha HWY over Waiawa Ic #3B FAI-H1

Good

Honolulu County, Hawaii · 0.60MI E/Waipahu ST Sep · Structure no. 003000H10400877

Built
1969
56 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
529 ft
5 main spans
Daily traffic
19,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kamehameha HWY over Waiawa Ic #3B FAI-H1 is a concrete continuous box beam or girders - multiple carrying Kamehameha HWY over Waiawa Ic #3B FAI-H1 in Honolulu County, Hawaii. It was built in 1969, so it is 56 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 19,300 vehicles a day, roughly 3% of them trucks, projected to reach 34,530 by 2025. The structure is 529 ft (161.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKamehameha HWY
CrossesWaiawa Ic #3B FAI-H1
Location0.60MI E/Waipahu ST Sep
RouteU.S. Route 99
StateHawaii
Coordinates21.39592, -157.9845
Functional classUrban Other Principal 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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length529 ft (161.2 m)
Longest span122 ft (37.2 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (2017)
Projected traffic34,530 by 2025
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kamehameha HWY over Waiawa Ic #3B FAI-H1 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Kamehameha HWY over Waiawa Ic #3B FAI-H1 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 November 2024.

How much traffic does Kamehameha HWY over Waiawa Ic #3B FAI-H1 carry?

About 19,300 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kamehameha HWY over Waiawa Ic #3B FAI-H1?

The structure is 529 ft (161.2 m) long with a longest span of 122 ft (37.2 m) and a deck 41 ft wide.

Who owns Kamehameha HWY over Waiawa Ic #3B FAI-H1?

It is owned by the State Highway Agency.