US Bridges

Akoni Pule HWY over Niulii Strm

Fair

Hawaii County, Hawaii · Tmk: 5-2-008:999 · Structure no. 001002700502390

Built
1918
107 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
1,300
2016 count
Owner
County
County Highway Agency

About this bridge

Akoni Pule HWY over Niulii Strm is a concrete tee beam carrying Akoni Pule HWY over Niulii Strm in Hawaii County, Hawaii. It was built in 1918, so it is 107 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 1,300 vehicles a day, roughly 2% of them trucks, projected to reach 2,175 by 2042. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAkoni Pule HWY
CrossesNiulii Strm
LocationTmk: 5-2-008:999
RouteCounty Highway 270
StateHawaii
Coordinates20.2203, -155.74763
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2016)
Projected traffic2,175 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$363,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Akoni Pule HWY over Niulii Strm built?

It was built in 1918, making it 107 years old in 2025.

What condition is Akoni Pule HWY over Niulii 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 2024.

How much traffic does Akoni Pule HWY over Niulii Strm carry?

About 1,300 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Akoni Pule HWY over Niulii Strm?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Akoni Pule HWY over Niulii Strm?

It is owned by the County Highway Agency.