US Bridges

Mauka Frontg Road over Kakoi ST Drain Channel

Fair

Honolulu County, Hawaii · .019M E Ahua St. · Structure no. 003000H10201784

Built
1981
44 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
1,249 ft
34 main spans
Daily traffic
112,800
2017 count
Owner
State
State Highway Agency

About this bridge

Mauka Frontg Road over Kakoi ST Drain Channel is a concrete stringer/multi-beam or girder carrying Mauka Frontg Road over Kakoi ST Drain Channel in Honolulu County, Hawaii. It was built in 1981, so it is 44 years old, younger 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 112,800 vehicles a day, roughly 4% of them trucks, projected to reach 166,683 by 2025. The structure is 1,249 ft (380.7 m) long and 72 ft wide.

CarriesMauka Frontg Road
CrossesKakoi ST Drain Channel
Location.019M E Ahua St.
RouteInterstate 0H1
StateHawaii
Coordinates21.33505, -157.89827
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans34
Design loadHS 20
Structure length1,249 ft (380.7 m)
Longest span42 ft (12.8 m)
Deck width72 ft (21.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112,800 (2017)
Projected traffic166,683 by 2025
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mauka Frontg Road over Kakoi ST Drain Channel built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mauka Frontg Road over Kakoi ST Drain Channel 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 February 2024.

How much traffic does Mauka Frontg Road over Kakoi ST Drain Channel carry?

About 112,800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Mauka Frontg Road over Kakoi ST Drain Channel?

The structure is 1,249 ft (380.7 m) long with a longest span of 42 ft (12.8 m) and a deck 72 ft wide.

Who owns Mauka Frontg Road over Kakoi ST Drain Channel?

It is owned by the State Highway Agency.