US Bridges

Naio Ave over Naio Ave/Nuhelewai Strm

FairPosted for load

Honolulu County, Hawaii · TMK=1-6-17 · Structure no. 003154001200001

Built
1927
98 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
320
1990 count
Owner
County
County Highway Agency

About this bridge

Naio Ave over Naio Ave/Nuhelewai Strm is a concrete slab carrying Naio Ave over Naio Ave/Nuhelewai Strm in Honolulu County, Hawaii. It was built in 1927, so it is 98 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 320 vehicles a day, projected to reach 400 by 2025. The structure is 23 ft (7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNaio Ave
CrossesNaio Ave/Nuhelewai Strm
LocationTMK=1-6-17
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.33409, -157.86048
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.3 m)
Deck width40 ft (12.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (1990)
Projected traffic400 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$202,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Naio Ave over Naio Ave/Nuhelewai Strm built?

It was built in 1927, making it 98 years old in 2025.

What condition is Naio Ave over Naio Ave/Nuhelewai 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 Naio Ave over Naio Ave/Nuhelewai Strm carry?

About 320 vehicles per day (1990 count).

How long is Naio Ave over Naio Ave/Nuhelewai Strm?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.3 m) and a deck 40 ft wide.

Who owns Naio Ave over Naio Ave/Nuhelewai Strm?

It is owned by the County Highway Agency.