US Bridges

Komo Mai DR over Komo Mai Dr/Waimano Strm

Fair

Honolulu County, Hawaii · TMK=9-7-25 · Structure no. 003918001100001

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
12,620
1980 count
Owner
County
County Highway Agency

About this bridge

Komo Mai DR over Komo Mai Dr/Waimano Strm is a prestressed concrete tee beam carrying Komo Mai DR over Komo Mai Dr/Waimano Strm in Honolulu County, Hawaii. It was built in 1961, so it is 64 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 12,620 vehicles a day, projected to reach 15,775 by 2025. The structure is 48 ft (14.6 m) long and 56 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKomo Mai DR
CrossesKomo Mai Dr/Waimano Strm
LocationTMK=9-7-25
RouteCity Street 91800
StateHawaii
Coordinates21.41666, -157.96048
Functional classUrban Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span40 ft (12.3 m)
Deck width56 ft (17 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,620 (1980)
Projected traffic15,775 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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$430,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Komo Mai DR over Komo Mai Dr/Waimano Strm built?

It was built in 1961, making it 64 years old in 2025.

What condition is Komo Mai DR over Komo Mai Dr/Waimano 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 August 2023.

How much traffic does Komo Mai DR over Komo Mai Dr/Waimano Strm carry?

About 12,620 vehicles per day (1980 count).

How long is Komo Mai DR over Komo Mai Dr/Waimano Strm?

The structure is 48 ft (14.6 m) long with a longest span of 40 ft (12.3 m) and a deck 56 ft wide.

Who owns Komo Mai DR over Komo Mai Dr/Waimano Strm?

It is owned by the County Highway Agency.