US Bridges

Hawaii Belt RD over Waikolu Strm

Fair

Hawaii County, Hawaii · 2.74MI W/Kauniho RD · Structure no. 001000190308038

Built
1934
91 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
35 ft
1 main span
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Waikolu Strm is a concrete continuous tee beam carrying Hawaii Belt RD over Waikolu Strm in Hawaii County, Hawaii. It was built in 1934, so it is 91 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 35 ft (10.8 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHawaii Belt RD
CrossesWaikolu Strm
Location2.74MI W/Kauniho RD
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates19.93831, -155.1687
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.8 m)
Longest span29 ft (8.7 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (8 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
CrossesWaterway
Detour if closed123.7 mi (199 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$503,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Waikolu Strm built?

It was built in 1934, making it 91 years old in 2025.

What condition is Hawaii Belt RD over Waikolu 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 2023.

How much traffic does Hawaii Belt RD over Waikolu Strm carry?

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

How long is Hawaii Belt RD over Waikolu Strm?

The structure is 35 ft (10.8 m) long with a longest span of 29 ft (8.7 m) and a deck 30 ft wide.

Who owns Hawaii Belt RD over Waikolu Strm?

It is owned by the State Highway Agency.