US Bridges

Wainiha St. over Kamiloiki Stream

Good

Honolulu County, Hawaii · TMK=3-9-62 · Structure no. 003349001200001

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
1,800
2016 count
Owner
County
County Highway Agency

About this bridge

Wainiha St. over Kamiloiki Stream is a prestressed concrete stringer/multi-beam or girder carrying Wainiha St. over Kamiloiki Stream in Honolulu County, Hawaii. It was built in 1967, so it is 58 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,800 vehicles a day, projected to reach 2,000 by 2025. The structure is 45 ft (13.6 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWainiha St.
CrossesKamiloiki Stream
LocationTMK=3-9-62
RouteCity Street 0
StateHawaii
Coordinates21.30154, -157.68627
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.4 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span40 ft (12.2 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2016)
Projected traffic2,000 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Wainiha St. over Kamiloiki Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is Wainiha St. over Kamiloiki Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Wainiha St. over Kamiloiki Stream carry?

About 1,800 vehicles per day (2016 count).

How long is Wainiha St. over Kamiloiki Stream?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.2 m) and a deck 56 ft wide.

Who owns Wainiha St. over Kamiloiki Stream?

It is owned by the County Highway Agency.