US Bridges

Kuihelani HWY over Unmd STRM(7 Cells)

Fair

Maui County, Hawaii · 1.80MI E/Honoapiilani HWY · Structure no. 009003800500180

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
74 ft
7 main spans
Daily traffic
16,100
2017 count
Owner
State
State Highway Agency

About this bridge

Kuihelani HWY over Unmd STRM(7 Cells) is a concrete continuous culvert carrying Kuihelani HWY over Unmd STRM(7 Cells) in Maui County, Hawaii. It was built in 1970, so it is 55 years old, younger than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,100 vehicles a day, roughly 5% of them trucks, projected to reach 17,124 by 2025. The structure is 74 ft (22.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKuihelani HWY
CrossesUnmd STRM(7 Cells)
Location1.80MI E/Honoapiilani HWY
RouteU.S. Route 380
CountyMaui County
StateHawaii
Coordinates20.83667, -156.49128
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans7
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2017)
Projected traffic17,124 by 2025
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuihelani HWY over Unmd STRM(7 Cells) built?

It was built in 1970, making it 55 years old in 2025.

What condition is Kuihelani HWY over Unmd STRM(7 Cells) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Kuihelani HWY over Unmd STRM(7 Cells) carry?

About 16,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Kuihelani HWY over Unmd STRM(7 Cells)?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns Kuihelani HWY over Unmd STRM(7 Cells)?

It is owned by the State Highway Agency.