US Bridges

Hawaii Belt RD over Kalapahapuu Gulch

Fair

Hawaii County, Hawaii · 1.5MI Se/Paauilo Town · Structure no. 001000190306514

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
2 main spans
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Kalapahapuu Gulch is a prestressed concrete stringer/multi-beam or girder carrying Hawaii Belt RD over Kalapahapuu Gulch in Hawaii County, Hawaii. It was built in 1985, so it is 40 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 6,700 vehicles a day, roughly 9% of them trucks, projected to reach 7,410 by 2025. The structure is 150 ft (45.8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHawaii Belt RD
CrossesKalapahapuu Gulch
Location1.5MI Se/Paauilo Town
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates20.02984, -155.34765
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.8 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2019)
Projected traffic7,410 by 2025
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Kalapahapuu Gulch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Hawaii Belt RD over Kalapahapuu Gulch 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 Hawaii Belt RD over Kalapahapuu Gulch carry?

About 6,700 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Hawaii Belt RD over Kalapahapuu Gulch?

The structure is 150 ft (45.8 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns Hawaii Belt RD over Kalapahapuu Gulch?

It is owned by the State Highway Agency.