US Bridges

Moanalua RD over Punanani Channel

Good

Honolulu County, Hawaii · 0.23MI W/Hekaha ST · Structure no. 003072001400140

Built
1969
56 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
34,000
2017 count
Owner
County
County Highway Agency

About this bridge

Moanalua RD over Punanani Channel is a concrete culvert carrying Moanalua RD over Punanani Channel in Honolulu County, Hawaii. It was built in 1969, so it is 56 years old, younger 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 34,000 vehicles a day, projected to reach 32,713 by 2025. The structure is 25 ft (7.6 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoanalua RD
CrossesPunanani Channel
Location0.23MI W/Hekaha ST
RouteCity Street 7210
StateHawaii
Coordinates21.39072, -157.95105
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width80 ft (24.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2017)
Projected traffic32,713 by 2025
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Punanani Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is Moanalua RD over Punanani Channel 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 October 2023.

How much traffic does Moanalua RD over Punanani Channel carry?

About 34,000 vehicles per day (2017 count).

How long is Moanalua RD over Punanani Channel?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 80 ft wide.

Who owns Moanalua RD over Punanani Channel?

It is owned by the County Highway Agency.