US Bridges

Waipio Pt. Acc RD over Wailani Stream

Poor

Honolulu County, Hawaii · TMK=9-3-02-9-4-19 20 · Structure no. 003971001100001

Built
1967
58 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
7,835
1989 count
Owner
County
County Highway Agency

About this bridge

Waipio Pt. Acc RD over Wailani Stream is a prestressed concrete continuous stringer/multi-beam or girder carrying Waipio Pt. Acc RD over Wailani 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,835 vehicles a day, projected to reach 9,794 by 2025. The structure is 137 ft (41.8 m) long and 50 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWaipio Pt. Acc RD
CrossesWailani Stream
LocationTMK=9-3-02-9-4-19 20
RouteCity Street 0
StateHawaii
Coordinates21.38363, -157.99236
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span50 ft (15.2 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,835 (1989)
Projected traffic9,794 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$948,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Waipio Pt. Acc RD over Wailani Stream built?

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

What condition is Waipio Pt. Acc RD over Wailani Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Waipio Pt. Acc RD over Wailani Stream carry?

About 7,835 vehicles per day (1989 count).

How long is Waipio Pt. Acc RD over Wailani Stream?

The structure is 137 ft (41.8 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.

Who owns Waipio Pt. Acc RD over Wailani Stream?

It is owned by the County Highway Agency.