US Bridges

N Kuakini ST over Nuuanu Strm

FairPosted for load

Honolulu County, Hawaii · 450N/NUUANU/N Kuakini ST · Structure no. 003083321400031

Built
1934
91 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
64 ft
1 main span
Daily traffic
13,883
1988 count
Owner
County
County Highway Agency

About this bridge

N Kuakini ST over Nuuanu Strm is a concrete tee beam carrying N Kuakini ST over Nuuanu Strm in Honolulu County, Hawaii. It was built in 1934, so it is 91 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. Its operating status is: posted for load restriction.

It carries about 13,883 vehicles a day, projected to reach 17,354 by 2025. The structure is 64 ft (19.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Kuakini ST
CrossesNuuanu Strm
Location450N/NUUANU/N Kuakini ST
RouteCity Street 7542
StateHawaii
Coordinates21.32009, -157.85432
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment7: Better than present minimum criteria
Operating rating27.1 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length64 ft (19.4 m)
Longest span55 ft (16.8 m)
Deck width52 ft (16 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,883 (1988)
Projected traffic17,354 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Kuakini ST over Nuuanu Strm built?

It was built in 1934, making it 91 years old in 2025.

What condition is N Kuakini ST over Nuuanu 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 October 2024.

How much traffic does N Kuakini ST over Nuuanu Strm carry?

About 13,883 vehicles per day (1988 count).

How long is N Kuakini ST over Nuuanu Strm?

The structure is 64 ft (19.4 m) long with a longest span of 55 ft (16.8 m) and a deck 52 ft wide.

Who owns N Kuakini ST over Nuuanu Strm?

It is owned by the County Highway Agency.