US Bridges

Mohouli Street over Alenaio Stream

Good

Hawaii County, Hawaii · Tmk: 2-3-44:019 · Structure no. 001230001100008

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
181 ft
14 main spans
Daily traffic
10,800
2000 count
Owner
County
County Highway Agency

About this bridge

Mohouli Street over Alenaio Stream is a concrete continuous culvert carrying Mohouli Street over Alenaio Stream in Hawaii County, Hawaii. It was built in 2001, so it is 24 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 10,800 vehicles a day, projected to reach 14,000 by 2030. The structure is 181 ft (55.1 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMohouli Street
CrossesAlenaio Stream
LocationTmk: 2-3-44:019
RouteCounty Highway 0_
StateHawaii
Coordinates19.68667, -155.1
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans14
Design loadHS 20
Structure length181 ft (55.1 m)
Longest span13 ft (3.9 m)
Deck width83 ft (25.3 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10,800 (2000)
Projected traffic14,000 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mohouli Street over Alenaio Stream built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mohouli Street over Alenaio Stream 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 February 2024.

How much traffic does Mohouli Street over Alenaio Stream carry?

About 10,800 vehicles per day (2000 count).

How long is Mohouli Street over Alenaio Stream?

The structure is 181 ft (55.1 m) long with a longest span of 13 ft (3.9 m) and a deck 83 ft wide.

Who owns Mohouli Street over Alenaio Stream?

It is owned by the County Highway Agency.