US Bridges

Palahia Street Ext over Awanui Stream

Fair

Honolulu County, Hawaii · TMK=9-2-03 · Structure no. 003991001100001

Built
1989
36 years old
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Prestressed Concrete
Length
215 ft
3 main spans
Daily traffic
3,470
2009 count
Owner
County
County Highway Agency

About this bridge

Palahia Street Ext over Awanui Stream is a prestressed concrete girder and floorbeam system carrying Palahia Street Ext over Awanui Stream in Honolulu County, Hawaii. It was built in 1989, so it is 36 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.

It carries about 3,470 vehicles a day, projected to reach 4,586 by 2029. The structure is 215 ft (65.6 m) long and 56 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesPalahia Street Ext
CrossesAwanui Stream
LocationTMK=9-2-03
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.36178, -158.08815
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating46.4 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length215 ft (65.6 m)
Longest span69 ft (21 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,470 (2009)
Projected traffic4,586 by 2029
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Palahia Street Ext over Awanui Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Palahia Street Ext over Awanui Stream 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 December 2023.

How much traffic does Palahia Street Ext over Awanui Stream carry?

About 3,470 vehicles per day (2009 count).

How long is Palahia Street Ext over Awanui Stream?

The structure is 215 ft (65.6 m) long with a longest span of 69 ft (21 m) and a deck 56 ft wide.

Who owns Palahia Street Ext over Awanui Stream?

It is owned by the County Highway Agency.