US Bridges

Kam V HWY over Unmd Strm(makakupaia)

Good

Maui County, Hawaii · 0.60MI W/County Park · Structure no. 009004500500394

Built
1940
85 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
2,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kam V HWY over Unmd Strm(makakupaia) is a concrete slab carrying Kam V HWY over Unmd Strm(makakupaia) in Maui County, Hawaii. It was built in 1940, so it is 85 years old, older 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 2,300 vehicles a day, roughly 2% of them trucks, projected to reach 2,763 by 2025. The structure is 22 ft (6.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKam V HWY
CrossesUnmd Strm(makakupaia)
Location0.60MI W/County Park
RouteU.S. Route 450
CountyMaui County
StateHawaii
Coordinates21.06986, -156.96584
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.6 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2017)
Projected traffic2,763 by 2025
Trucks2%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam V HWY over Unmd Strm(makakupaia) built?

It was built in 1940, making it 85 years old in 2025.

What condition is Kam V HWY over Unmd Strm(makakupaia) 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 October 2024.

How much traffic does Kam V HWY over Unmd Strm(makakupaia) carry?

About 2,300 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Kam V HWY over Unmd Strm(makakupaia)?

The structure is 22 ft (6.6 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Kam V HWY over Unmd Strm(makakupaia)?

It is owned by the State Highway Agency.