US Bridges

N King ST over Nuuanu Strm

FairPosted for load

Honolulu County, Hawaii · Int/River St/N King ST · Structure no. 003062081400218

Built
1922
103 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
94 ft
4 main spans
Daily traffic
19,680
1988 count
Owner
County
County Highway Agency

About this bridge

N King ST over Nuuanu Strm is a concrete continuous tee beam carrying N King ST over Nuuanu Strm in Honolulu County, Hawaii. It was built in 1922, so it is 103 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 19,680 vehicles a day, projected to reach 24,600 by 2025. The structure is 94 ft (28.7 m) long and 80 ft wide.

CarriesN King ST
CrossesNuuanu Strm
LocationInt/River St/N King ST
RouteCity Street 7402
StateHawaii
Coordinates21.31389, -157.86444
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating46.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span25 ft (7.6 m)
Deck width80 ft (24.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,680 (1988)
Projected traffic24,600 by 2025
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 King ST over Nuuanu Strm built?

It was built in 1922, making it 103 years old in 2025.

What condition is N King 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 September 2024.

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

About 19,680 vehicles per day (1988 count).

How long is N King ST over Nuuanu Strm?

The structure is 94 ft (28.7 m) long with a longest span of 25 ft (7.6 m) and a deck 80 ft wide.

Who owns N King ST over Nuuanu Strm?

It is owned by the County Highway Agency.