US Bridges

Ala Moana Blvd over Ala Wai Canal

Fair

Honolulu County, Hawaii · 0.21MI N/Hobron Lane · Structure no. 003000920400861

Built
1939
86 years old, rebuilt 1970
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
166 ft
3 main spans
Daily traffic
32,000
2017 count
Owner
State
State Highway Agency

About this bridge

Ala Moana Blvd over Ala Wai Canal is a concrete continuous tee beam carrying Ala Moana Blvd over Ala Wai Canal in Honolulu County, Hawaii. It was built in 1939 and reconstructed in 1970, so it is 86 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.

It carries about 32,000 vehicles a day, roughly 7% of them trucks, projected to reach 53,450 by 2025. The structure is 166 ft (50.6 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAla Moana Blvd
CrossesAla Wai Canal
Location0.21MI N/Hobron Lane
RouteU.S. Route 92
CountyHonolulu County
StateHawaii
Coordinates21.28779, -157.84028
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length166 ft (50.6 m)
Longest span68 ft (20.7 m)
Deck width100 ft (30.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2017)
Projected traffic53,450 by 2025
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ala Moana Blvd over Ala Wai Canal built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1970.

What condition is Ala Moana Blvd over Ala Wai Canal 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 July 2023.

How much traffic does Ala Moana Blvd over Ala Wai Canal carry?

About 32,000 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Ala Moana Blvd over Ala Wai Canal?

The structure is 166 ft (50.6 m) long with a longest span of 68 ft (20.7 m) and a deck 100 ft wide.

Who owns Ala Moana Blvd over Ala Wai Canal?

It is owned by the State Highway Agency.