US Bridges

Pohakunui Ave over Nanakuli Stream

Poor

Honolulu County, Hawaii · Tmk: 8-9-001 · Structure no. 003900501400001

Built
2004
21 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
2 main spans
Daily traffic
—
2020 count
Owner
County
County Highway Agency

About this bridge

Pohakunui Ave over Nanakuli Stream is a prestressed concrete stringer/multi-beam or girder carrying Pohakunui Ave over Nanakuli Stream in Honolulu County, Hawaii. It was built in 2004, so it is 21 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.

No traffic count is recorded. The structure is 141 ft (43.1 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesPohakunui Ave
CrossesNanakuli Stream
LocationTmk: 8-9-001
RouteCity Street 0_
CountyHonolulu County
StateHawaii
Coordinates21.37583, -158.14
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length141 ft (43.1 m)
Longest span68 ft (20.6 m)
Deck width30 ft (9.1 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pohakunui Ave over Nanakuli Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Pohakunui Ave over Nanakuli 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 January 2024.

How much traffic does Pohakunui Ave over Nanakuli Stream carry?

No traffic count is recorded for this structure.

How long is Pohakunui Ave over Nanakuli Stream?

The structure is 141 ft (43.1 m) long with a longest span of 68 ft (20.6 m) and a deck 30 ft wide.

Who owns Pohakunui Ave over Nanakuli Stream?

It is owned by the County Highway Agency.