US Bridges

Ala Wai Gc Culvert over Ala Wai Gc Drain

PoorPosted for load

Honolulu County, Hawaii · TMK=2-7-36 · Structure no. 003296001900001

Built
1975
50 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete
Length
61 ft
5 main spans
Daily traffic
1,000
2020 count
Owner
County
County Highway Agency

About this bridge

Ala Wai Gc Culvert over Ala Wai Gc Drain is a concrete culvert carrying Ala Wai Gc Culvert over Ala Wai Gc Drain in Honolulu County, Hawaii. It was built in 1975, so it is 50 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 3 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, projected to reach 1,000 by 2037. The structure is 61 ft (18.6 m) long and 57 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAla Wai Gc Culvert
CrossesAla Wai Gc Drain
LocationTMK=2-7-36
RouteCity Street 0_
StateHawaii
Coordinates21.27611, -157.81833
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating11 US tons
Inventory rating8.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span12 ft (3.8 m)
Deck width57 ft (17.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,000 by 2037
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ala Wai Gc Culvert over Ala Wai Gc Drain built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ala Wai Gc Culvert over Ala Wai Gc Drain 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 August 2023.

How much traffic does Ala Wai Gc Culvert over Ala Wai Gc Drain carry?

About 1,000 vehicles per day (2020 count).

How long is Ala Wai Gc Culvert over Ala Wai Gc Drain?

The structure is 61 ft (18.6 m) long with a longest span of 12 ft (3.8 m) and a deck 57 ft wide.

Who owns Ala Wai Gc Culvert over Ala Wai Gc Drain?

It is owned by the County Highway Agency.