US Bridges

Moanalua RD over Kalauao Strm

Good

Honolulu County, Hawaii · 0.03MI W/Hale Momi Pl · Structure no. 003072001400258

Built
1935
90 years old, rebuilt 1992
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
19,000
2017 count
Owner
County
County Highway Agency

About this bridge

Moanalua RD over Kalauao Strm is a concrete culvert carrying Moanalua RD over Kalauao Strm in Honolulu County, Hawaii. It was built in 1935 and reconstructed in 1992, so it is 90 years old, older 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 19,000 vehicles a day, projected to reach 22,500 by 2025. The structure is 28 ft (8.5 m) long and 87 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMoanalua RD
CrossesKalauao Strm
Location0.03MI W/Hale Momi Pl
RouteCity Street 7210
StateHawaii
Coordinates21.3822, -157.93695
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width87 ft (26.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2017)
Projected traffic22,500 by 2025
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Moanalua RD over Kalauao Strm built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1992.

What condition is Moanalua RD over Kalauao Strm 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 August 2023.

How much traffic does Moanalua RD over Kalauao Strm carry?

About 19,000 vehicles per day (2017 count).

How long is Moanalua RD over Kalauao Strm?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 87 ft wide.

Who owns Moanalua RD over Kalauao Strm?

It is owned by the County Highway Agency.