US Bridges

Morton Place RD over Kahauiki Stream

FairPosted for load

Honolulu County, Hawaii · Between Hase DR & S-720 · Structure no. DAPPACSHA00B750

Built
1944
81 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
50
2015 count
Owner
Federal
Army

About this bridge

Morton Place RD over Kahauiki Stream is a concrete culvert carrying Morton Place RD over Kahauiki Stream in Honolulu County, Hawaii. It was built in 1944, so it is 81 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMorton Place RD
CrossesKahauiki Stream
LocationBetween Hase DR & S-720
CountyHonolulu County
StateHawaii
Coordinates21.34827, -157.8829
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.5 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2015)
Projected traffic65 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Morton Place RD over Kahauiki Stream built?

It was built in 1944, making it 81 years old in 2025.

What condition is Morton Place RD over Kahauiki 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 August 2023.

How much traffic does Morton Place RD over Kahauiki Stream carry?

About 50 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Morton Place RD over Kahauiki Stream?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3.1 m).

Who owns Morton Place RD over Kahauiki Stream?

It is owned by the Army.