US Bridges

Windward Viadt Ib over Unnamed Stream

Good

Honolulu County, Hawaii · 2.01 MI W of Likelike HWY · Structure no. 003000H30200660

Built
1994
31 years old
Condition
Good
inspected January 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
6,612 ft
24 main spans
Daily traffic
49,100
2017 count
Owner
State
State Highway Agency

About this bridge

Windward Viadt Ib over Unnamed Stream is a prestressed concrete continuous segmental box girder carrying Windward Viadt Ib over Unnamed Stream in Honolulu County, Hawaii. It was built in 1994, so it is 31 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49,100 vehicles a day, roughly 5% of them trucks, projected to reach 54,950 by 2027. The structure is 6,612 ft (2,015.2 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWindward Viadt Ib
CrossesUnnamed Stream
Location2.01 MI W of Likelike HWY
RouteInterstate 0H3
StateHawaii
Coordinates21.40474, -157.82333
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans24
Design loadHS 20
Structure length6,612 ft (2,015.2 m)
Longest span300 ft (91.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic49,100 (2017)
Projected traffic54,950 by 2027
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Windward Viadt Ib over Unnamed Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is Windward Viadt Ib over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Windward Viadt Ib over Unnamed Stream carry?

About 49,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Windward Viadt Ib over Unnamed Stream?

The structure is 6,612 ft (2,015.2 m) long with a longest span of 300 ft (91.5 m) and a deck 41 ft wide.

Who owns Windward Viadt Ib over Unnamed Stream?

It is owned by the State Highway Agency.