US Bridges

Waihona Pl. over Waihona Pl/Waiawa Strm

FairPosted for load

Honolulu County, Hawaii · TMK=9-6-08 · Structure no. 003980001100001

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
1,011
1990 count
Owner
County
County Highway Agency

About this bridge

Waihona Pl. over Waihona Pl/Waiawa Strm is a prestressed concrete stringer/multi-beam or girder carrying Waihona Pl. over Waihona Pl/Waiawa Strm in Honolulu County, Hawaii. It was built in 1974, so it is 51 years old, younger 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 5 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 1,011 vehicles a day, projected to reach 1,264 by 2025. The structure is 79 ft (24.2 m) long and 57 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesWaihona Pl.
CrossesWaihona Pl/Waiawa Strm
LocationTMK=9-6-08
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.41134, -157.97287
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.2 m)
Longest span75 ft (22.9 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,011 (1990)
Projected traffic1,264 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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$736,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Waihona Pl. over Waihona Pl/Waiawa Strm built?

It was built in 1974, making it 51 years old in 2025.

What condition is Waihona Pl. over Waihona Pl/Waiawa 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 2023.

How much traffic does Waihona Pl. over Waihona Pl/Waiawa Strm carry?

About 1,011 vehicles per day (1990 count).

How long is Waihona Pl. over Waihona Pl/Waiawa Strm?

The structure is 79 ft (24.2 m) long with a longest span of 75 ft (22.9 m) and a deck 57 ft wide.

Who owns Waihona Pl. over Waihona Pl/Waiawa Strm?

It is owned by the County Highway Agency.