US Bridges

Kapoo ST over Kapoo St/Kapunahala Strm

Fair

Honolulu County, Hawaii · TMK=4-5-68(KANEOHE) · Structure no. 003447001100001

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,640
1989 count
Owner
County
County Highway Agency

About this bridge

Kapoo ST over Kapoo St/Kapunahala Strm is a concrete culvert carrying Kapoo ST over Kapoo St/Kapunahala Strm 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 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 2,640 vehicles a day, projected to reach 3,300 by 2025. The structure is 22 ft (6.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKapoo ST
CrossesKapoo St/Kapunahala Strm
LocationTMK=4-5-68(KANEOHE)
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.41057, -157.80308
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,640 (1989)
Projected traffic3,300 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$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kapoo ST over Kapoo St/Kapunahala Strm built?

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

What condition is Kapoo ST over Kapoo St/Kapunahala 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 September 2023.

How much traffic does Kapoo ST over Kapoo St/Kapunahala Strm carry?

About 2,640 vehicles per day (1989 count).

How long is Kapoo ST over Kapoo St/Kapunahala Strm?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns Kapoo ST over Kapoo St/Kapunahala Strm?

It is owned by the County Highway Agency.