US Bridges

Piilani HWY over Kalepa Strm

FairPosted for load

Maui County, Hawaii · 10.46MI W/Rd to Hamoa · Structure no. 009000310903847

Built
1937
88 years old, rebuilt 1993
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
245
1996 count
Owner
County
County Highway Agency

About this bridge

Piilani HWY over Kalepa Strm is a prestressed concrete slab carrying Piilani HWY over Kalepa Strm in Maui County, Hawaii. It was built in 1937 and reconstructed in 1993, so it is 88 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 245 vehicles a day, projected to reach 306 by 2025. The structure is 23 ft (6.9 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPiilani HWY
CrossesKalepa Strm
Location10.46MI W/Rd to Hamoa
RouteCounty Highway 31
StateHawaii
Coordinates20.64738, -156.0868
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating14.3 US tons
Inventory rating3.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span21 ft (6.5 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (1996)
Projected traffic306 by 2025
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$166,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Piilani HWY over Kalepa Strm built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1993.

What condition is Piilani HWY over Kalepa 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 March 2024.

How much traffic does Piilani HWY over Kalepa Strm carry?

About 245 vehicles per day (1996 count).

How long is Piilani HWY over Kalepa Strm?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.5 m) and a deck 15 ft wide.

Who owns Piilani HWY over Kalepa Strm?

It is owned by the County Highway Agency.