US Bridges

Kaiwiki RD over Maili Stream

FairPosted for load

Hawaii County, Hawaii · Tmk 2-6-009:010 · Structure no. 001260001100003

Built
1900
125 years old, rebuilt 1974
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
49 ft
2 main spans
Daily traffic
280
1986 count
Owner
County
County Highway Agency

About this bridge

Kaiwiki RD over Maili Stream is a wood or timber stringer/multi-beam or girder carrying Kaiwiki RD over Maili Stream in Hawaii County, Hawaii. It was built in 1900 and reconstructed in 1974, so it is 125 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 280 vehicles a day, projected to reach 350 by 2025. The structure is 49 ft (15 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKaiwiki RD
CrossesMaili Stream
LocationTmk 2-6-009:010
CountyHawaii County
StateHawaii
Coordinates19.74844, -155.12329
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating18.5 US tons
Inventory rating14.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length49 ft (15 m)
Longest span18 ft (5.5 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (1986)
Projected traffic350 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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$492,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kaiwiki RD over Maili Stream built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1974.

What condition is Kaiwiki RD over Maili 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 August 2023.

How much traffic does Kaiwiki RD over Maili Stream carry?

About 280 vehicles per day (1986 count).

How long is Kaiwiki RD over Maili Stream?

The structure is 49 ft (15 m) long with a longest span of 18 ft (5.5 m) and a deck 14 ft wide.

Who owns Kaiwiki RD over Maili Stream?

It is owned by the County Highway Agency.