US Bridges

Hana HWY over Hoolawa Strm

Fair

Maui County, Hawaii · 2.14MI E/Makawao RD · Structure no. 009003600500241

Built
1994
31 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
161 ft
3 main spans
Daily traffic
4,000
2017 count
Owner
State
State Highway Agency

About this bridge

Hana HWY over Hoolawa Strm is a prestressed concrete continuous stringer/multi-beam or girder carrying Hana HWY over Hoolawa Strm in Maui County, Hawaii. It was built in 1994, so it is 31 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 5 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 4,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,608 by 2025. The structure is 161 ft (49.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHana HWY
CrossesHoolawa Strm
Location2.14MI E/Makawao RD
RouteU.S. Route 360
CountyMaui County
StateHawaii
Coordinates20.91162, -156.24237
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating64.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.2 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2017)
Projected traffic2,608 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Hoolawa Strm built?

It was built in 1994, making it 31 years old in 2025.

What condition is Hana HWY over Hoolawa 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 May 2023.

How much traffic does Hana HWY over Hoolawa Strm carry?

About 4,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hana HWY over Hoolawa Strm?

The structure is 161 ft (49.2 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Hana HWY over Hoolawa Strm?

It is owned by the State Highway Agency.