US Bridges

Lanikaula ST over Waiakea Stream

Fair

Hawaii County, Hawaii · Tmk 2-4-01:19 · Structure no. 001240001100001

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
176 ft
3 main spans
Daily traffic
3,020
1986 count
Owner
County
County Highway Agency

About this bridge

Lanikaula ST over Waiakea Stream is a prestressed concrete tee beam carrying Lanikaula ST over Waiakea Stream in Hawaii County, Hawaii. It was built in 1968, so it is 57 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 5 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 3,020 vehicles a day, projected to reach 3,775 by 2025. The structure is 176 ft (53.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLanikaula ST
CrossesWaiakea Stream
LocationTmk 2-4-01:19
CountyHawaii County
StateHawaii
Coordinates19.70303, -155.08374
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,020 (1986)
Projected traffic3,775 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$825,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lanikaula ST over Waiakea Stream built?

It was built in 1968, making it 57 years old in 2025.

What condition is Lanikaula ST over Waiakea Stream 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 2023.

How much traffic does Lanikaula ST over Waiakea Stream carry?

About 3,020 vehicles per day (1986 count).

How long is Lanikaula ST over Waiakea Stream?

The structure is 176 ft (53.6 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns Lanikaula ST over Waiakea Stream?

It is owned by the County Highway Agency.