US Bridges

Wainaku Street over Pukihae Stream

Fair

Hawaii County, Hawaii · Tmk 2-6-005:019 · Structure no. 001260001100001

Built
1904
121 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Masonry
Length
65 ft
1 main span
Daily traffic
3,050
1986 count
Owner
County
County Highway Agency

About this bridge

Wainaku Street over Pukihae Stream is a masonry arch - deck carrying Wainaku Street over Pukihae Stream in Hawaii County, Hawaii. It was built in 1904, so it is 121 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.

It carries about 3,050 vehicles a day, projected to reach 3,813 by 2025. The structure is 65 ft (19.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWainaku Street
CrossesPukihae Stream
LocationTmk 2-6-005:019
CountyHawaii County
StateHawaii
Coordinates19.73183, -155.09299
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
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.4 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic3,050 (1986)
Projected traffic3,813 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$339,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wainaku Street over Pukihae Stream built?

It was built in 1904, making it 121 years old in 2025.

What condition is Wainaku Street over Pukihae Stream 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 Wainaku Street over Pukihae Stream carry?

About 3,050 vehicles per day (1986 count).

How long is Wainaku Street over Pukihae Stream?

The structure is 65 ft (19.8 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Wainaku Street over Pukihae Stream?

It is owned by the County Highway Agency.