US Bridges

Kahala Ave. over Kahala Ave/Muliwai Ditch

GoodPosted for load

Honolulu County, Hawaii · TMK=3-5-07 · Structure no. 003311001200001

Built
1947
78 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
4,124
2021 count
Owner
County
County Highway Agency

About this bridge

Kahala Ave. over Kahala Ave/Muliwai Ditch is a concrete frame carrying Kahala Ave. over Kahala Ave/Muliwai Ditch in Honolulu County, Hawaii. It was built in 1947, so it is 78 years old, older 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. Its operating status is: posted for load restriction.

It carries about 4,124 vehicles a day, projected to reach 6,840 by 2025. The structure is 28 ft (8.5 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKahala Ave.
CrossesKahala Ave/Muliwai Ditch
LocationTMK=3-5-07
RouteCity Street 7844
CountyHonolulu County
StateHawaii
Coordinates21.2678, -157.78008
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width60 ft (18.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,124 (2021)
Projected traffic6,840 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$348,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kahala Ave. over Kahala Ave/Muliwai Ditch built?

It was built in 1947, making it 78 years old in 2025.

What condition is Kahala Ave. over Kahala Ave/Muliwai Ditch 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 August 2024.

How much traffic does Kahala Ave. over Kahala Ave/Muliwai Ditch carry?

About 4,124 vehicles per day (2021 count).

How long is Kahala Ave. over Kahala Ave/Muliwai Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 60 ft wide.

Who owns Kahala Ave. over Kahala Ave/Muliwai Ditch?

It is owned by the County Highway Agency.