US Bridges

Hawaii Belt RD over Ninole Strm

Fair

Hawaii County, Hawaii · 3.00MI W/Kauniho RD · Structure no. 001000190308012

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
3 main spans
Daily traffic
6,700
2019 count
Owner
State
State Highway Agency

About this bridge

Hawaii Belt RD over Ninole Strm is a steel stringer/multi-beam or girder carrying Hawaii Belt RD over Ninole Strm in Hawaii County, Hawaii. It was built in 1951, so it is 74 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 114 ft (34.6 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHawaii Belt RD
CrossesNinole Strm
Location3.00MI W/Kauniho RD
RouteU.S. Route 19
CountyHawaii County
StateHawaii
Coordinates19.94007, -155.172
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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length114 ft (34.6 m)
Longest span56 ft (17 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$619,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawaii Belt RD over Ninole Strm built?

It was built in 1951, making it 74 years old in 2025.

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

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

How long is Hawaii Belt RD over Ninole Strm?

The structure is 114 ft (34.6 m) long with a longest span of 56 ft (17 m) and a deck 38 ft wide.

Who owns Hawaii Belt RD over Ninole Strm?

It is owned by the State Highway Agency.