US Bridges

S. Kihei RD over Waiakoa Gulch

Good

Maui County, Hawaii · Tmk: 3-8-013 · Structure no. 009031001700015

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
18,600
2022 count
Owner
County
County Highway Agency

About this bridge

S. Kihei RD over Waiakoa Gulch is a concrete culvert carrying S. Kihei RD over Waiakoa Gulch in Maui County, Hawaii. It was built in 2016, so it is 9 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 18,600 vehicles a day, roughly 4% of them trucks, projected to reach 24,191 by 2042. The structure is 22 ft (6.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesS. Kihei RD
CrossesWaiakoa Gulch
LocationTmk: 3-8-013
RouteCounty Highway 0_
CountyMaui County
StateHawaii
Coordinates20.78278, -156.46333
Functional classUrban Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span10 ft (3.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2022)
Projected traffic24,191 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S. Kihei RD over Waiakoa Gulch built?

It was built in 2016, making it 9 years old in 2025.

What condition is S. Kihei RD over Waiakoa Gulch 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 March 2024.

How much traffic does S. Kihei RD over Waiakoa Gulch carry?

About 18,600 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is S. Kihei RD over Waiakoa Gulch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3.1 m) and a deck 36 ft wide.

Who owns S. Kihei RD over Waiakoa Gulch?

It is owned by the County Highway Agency.