US Bridges

Honoapiilani HWY over Honolua Strm

FairPosted for load

Maui County, Hawaii · 1.77MI N/Honokahua RD · Structure no. 009000300300346

Built
1924
101 years old, rebuilt 1974
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
4,300
2017 count
Owner
State
State Highway Agency

About this bridge

Honoapiilani HWY over Honolua Strm is a concrete tee beam carrying Honoapiilani HWY over Honolua Strm in Maui County, Hawaii. It was built in 1924 and reconstructed in 1974, so it is 101 years old, older 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. Its operating status is: posted for load restriction.

It carries about 4,300 vehicles a day, roughly 1% of them trucks, projected to reach 2,696 by 2025. The structure is 24 ft (7.2 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHonoapiilani HWY
CrossesHonolua Strm
Location1.77MI N/Honokahua RD
RouteU.S. Route 30
CountyMaui County
StateHawaii
Coordinates21.01361, -156.63366
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length24 ft (7.2 m)
Longest span22 ft (6.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2017)
Projected traffic2,696 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Honoapiilani HWY over Honolua Strm built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1974.

What condition is Honoapiilani HWY over Honolua Strm 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 April 2024.

How much traffic does Honoapiilani HWY over Honolua Strm carry?

About 4,300 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Honoapiilani HWY over Honolua Strm?

The structure is 24 ft (7.2 m) long with a longest span of 22 ft (6.6 m) and a deck 18 ft wide.

Who owns Honoapiilani HWY over Honolua Strm?

It is owned by the State Highway Agency.