US Bridges

Kam V HWY over Kainalu Strm(kupeke)

Fair

Maui County, Hawaii · 3.37MI E/Kilohana Sch · Structure no. 009004500900650

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
850
2017 count
Owner
State
State Highway Agency

About this bridge

Kam V HWY over Kainalu Strm(kupeke) is a prestressed concrete slab carrying Kam V HWY over Kainalu Strm(kupeke) in Maui County, Hawaii. It was built in 1978, so it is 47 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 850 vehicles a day, roughly 3% of them trucks, projected to reach 515 by 2025. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKam V HWY
CrossesKainalu Strm(kupeke)
Location3.37MI E/Kilohana Sch
RouteState Highway 450
CountyMaui County
StateHawaii
Coordinates21.07786, -156.78944
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2017)
Projected traffic515 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam V HWY over Kainalu Strm(kupeke) built?

It was built in 1978, making it 47 years old in 2025.

What condition is Kam V HWY over Kainalu Strm(kupeke) 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 October 2024.

How much traffic does Kam V HWY over Kainalu Strm(kupeke) carry?

About 850 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Kam V HWY over Kainalu Strm(kupeke)?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns Kam V HWY over Kainalu Strm(kupeke)?

It is owned by the State Highway Agency.