US Bridges

Hiapo St. over Hiapo St/Puuwai Pl

FairPosted for load

Honolulu County, Hawaii · TMK=9-4-02 · Structure no. 003983001100001

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
5,528
1990 count
Owner
County
County Highway Agency

About this bridge

Hiapo St. over Hiapo St/Puuwai Pl is a prestressed concrete stringer/multi-beam or girder carrying Hiapo St. over Hiapo St/Puuwai Pl in Honolulu County, Hawaii. It was built in 1975, so it is 50 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 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 5,528 vehicles a day, projected to reach 6,910 by 2025. The structure is 185 ft (56.4 m) long and 60 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHiapo St.
CrossesHiapo St/Puuwai Pl
LocationTMK=9-4-02
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.39348, -158.00854
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span73 ft (22.3 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,528 (1990)
Projected traffic6,910 by 2025
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hiapo St. over Hiapo St/Puuwai Pl built?

It was built in 1975, making it 50 years old in 2025.

What condition is Hiapo St. over Hiapo St/Puuwai Pl 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 Hiapo St. over Hiapo St/Puuwai Pl carry?

About 5,528 vehicles per day (1990 count).

How long is Hiapo St. over Hiapo St/Puuwai Pl?

The structure is 185 ft (56.4 m) long with a longest span of 73 ft (22.3 m) and a deck 60 ft wide.

Who owns Hiapo St. over Hiapo St/Puuwai Pl?

It is owned by the County Highway Agency.