US Bridges

Ala Moana Blvd over Drainage

Poor

Honolulu County, Hawaii · Ward Avenue Int · Structure no. 003000920400184

Built
1967
58 years old
Condition
Poor
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
10,850
2018 count
Owner
State
State Highway Agency

About this bridge

Ala Moana Blvd over Drainage is a concrete culvert carrying Ala Moana Blvd over Drainage in Honolulu County, Hawaii. It was built in 1967, so it is 58 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.

It carries about 10,850 vehicles a day, projected to reach 16,999 by 2040. The structure is 32 ft (9.8 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAla Moana Blvd
CrossesDrainage
LocationWard Avenue Int
RouteState Highway 92
CountyHonolulu County
StateHawaii
Coordinates21.29443, -157.85739
Functional classUrban Other Principal Arterial

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
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourOver tidal waters; not evaluated
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width100 ft (30.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic10,850 (2018)
Projected traffic16,999 by 2040
Trucks—
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Ala Moana Blvd over Drainage built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ala Moana Blvd over Drainage 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 March 2023.

How much traffic does Ala Moana Blvd over Drainage carry?

About 10,850 vehicles per day (2018 count).

How long is Ala Moana Blvd over Drainage?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 100 ft wide.

Who owns Ala Moana Blvd over Drainage?

It is owned by the State Highway Agency.