US Bridges

Wainihi St. over Wainihi St/Waipio Chl #1

FairPosted for load

Honolulu County, Hawaii · TMK=9-5-06 · Structure no. 003967001100001

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
3,402
1990 count
Owner
County
County Highway Agency

About this bridge

Wainihi St. over Wainihi St/Waipio Chl #1 is a concrete continuous culvert carrying Wainihi St. over Wainihi St/Waipio Chl #1 in Honolulu County, Hawaii. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 3,402 vehicles a day, projected to reach 4,253 by 2025. The structure is 24 ft (7.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWainihi St.
CrossesWainihi St/Waipio Chl #1
LocationTMK=9-5-06
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.46255, -158.01417
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.4 m)
Deck width43 ft (13.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,402 (1990)
Projected traffic4,253 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$204,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wainihi St. over Wainihi St/Waipio Chl #1 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Wainihi St. over Wainihi St/Waipio Chl #1 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 November 2023.

How much traffic does Wainihi St. over Wainihi St/Waipio Chl #1 carry?

About 3,402 vehicles per day (1990 count).

How long is Wainihi St. over Wainihi St/Waipio Chl #1?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.4 m) and a deck 43 ft wide.

Who owns Wainihi St. over Wainihi St/Waipio Chl #1?

It is owned by the County Highway Agency.