US Bridges

Kaapahu RD over Aliipali Gulch

Good

Hawaii County, Hawaii · Tmk 4-3-015:009 · Structure no. 001430001100009

Built
1939
86 years old, rebuilt 2003
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
50
1987 count
Owner
County
County Highway Agency

About this bridge

Kaapahu RD over Aliipali Gulch is a prestressed concrete tee beam carrying Kaapahu RD over Aliipali Gulch in Hawaii County, Hawaii. It was built in 1939 and reconstructed in 2003, so it is 86 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 63 by 2025. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKaapahu RD
CrossesAliipali Gulch
LocationTmk 4-3-015:009
StateHawaii
Coordinates20.03808, -155.41132
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span23 ft (6.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1987)
Projected traffic63 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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$161,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kaapahu RD over Aliipali Gulch built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2003.

What condition is Kaapahu RD over Aliipali Gulch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Kaapahu RD over Aliipali Gulch carry?

About 50 vehicles per day (1987 count).

How long is Kaapahu RD over Aliipali Gulch?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (6.9 m) and a deck 30 ft wide.

Who owns Kaapahu RD over Aliipali Gulch?

It is owned by the County Highway Agency.