US Bridges

Lahaina Bypass HWY over Unknown Stream

Good

Maui County, Hawaii · 1.43 MI N Hokiokio Pl · Structure no. 009030001400363

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
16,500
2019 count
Owner
State
State Highway Agency

About this bridge

Lahaina Bypass HWY over Unknown Stream is a concrete culvert carrying Lahaina Bypass HWY over Unknown Stream in Maui County, Hawaii. It was built in 2012, so it is 13 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 16,500 vehicles a day. The structure is 34 ft (10.4 m) long.

CarriesLahaina Bypass HWY
CrossesUnknown Stream
Location1.43 MI N Hokiokio Pl
RouteU.S. Route 3000
StateHawaii
Coordinates20.88028, -156.66444
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 inspectionJune 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 rating69.3 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2019)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lahaina Bypass HWY over Unknown Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is Lahaina Bypass HWY over Unknown 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 June 2024.

How much traffic does Lahaina Bypass HWY over Unknown Stream carry?

About 16,500 vehicles per day (2019 count).

How long is Lahaina Bypass HWY over Unknown Stream?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns Lahaina Bypass HWY over Unknown Stream?

It is owned by the State Highway Agency.