US Bridges

Lahaina Bypass over Launiupoko Stream

Good

Maui County, Hawaii · 0.2MI N/Honoapiilani HWY · Structure no. 009030001400063

Built
2017
8 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
7,900
2018 count
Owner
State
State Highway Agency

About this bridge

Lahaina Bypass over Launiupoko Stream is a concrete culvert carrying Lahaina Bypass over Launiupoko Stream in Maui County, Hawaii. It was built in 2017, so it is 8 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 7,900 vehicles a day, projected to reach 9,999 by 2040. The structure is 24 ft (7.3 m) long.

CarriesLahaina Bypass
CrossesLauniupoko Stream
Location0.2MI N/Honoapiilani HWY
RouteU.S. Route 3000
StateHawaii
Coordinates20.85361, -156.64472
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2018)
Projected traffic9,999 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$16,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lahaina Bypass over Launiupoko Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lahaina Bypass over Launiupoko 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 September 2024.

How much traffic does Lahaina Bypass over Launiupoko Stream carry?

About 7,900 vehicles per day (2018 count).

How long is Lahaina Bypass over Launiupoko Stream?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Lahaina Bypass over Launiupoko Stream?

It is owned by the State Highway Agency.