US Bridges

Hawaii Belt RD over Kalopa Strm

Fair

Hawaii County, Hawaii · 2.41MI E/Mamane ST · Structure no. 001000190306021

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
331 ft
3 main spans
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Kalopa Strm is a concrete continuous box beam or girders - multiple carrying Hawaii Belt RD over Kalopa Strm in Hawaii County, Hawaii. It was built in 1959, so it is 66 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.

It carries about 6,700 vehicles a day, roughly 9% of them trucks, projected to reach 6,969 by 2025. The structure is 331 ft (101 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHawaii Belt RD
CrossesKalopa Strm
Location2.41MI E/Mamane ST
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates20.06147, -155.41476
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length331 ft (101 m)
Longest span125 ft (38.1 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2019)
Projected traffic6,969 by 2025
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Kalopa Strm built?

It was built in 1959, making it 66 years old in 2025.

What condition is Hawaii Belt RD over Kalopa 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 Hawaii Belt RD over Kalopa Strm carry?

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

How long is Hawaii Belt RD over Kalopa Strm?

The structure is 331 ft (101 m) long with a longest span of 125 ft (38.1 m) and a deck 38 ft wide.

Who owns Hawaii Belt RD over Kalopa Strm?

It is owned by the State Highway Agency.