US Bridges

South Kulani Road over Relief South Kulani Road

GoodPosted for load

Hawaii County, Hawaii · Tmk: 1-8-086:999 · Structure no. 001180001100001

Built
1969
56 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
880
1986 count
Owner
County
County Highway Agency

About this bridge

South Kulani Road over Relief South Kulani Road is a concrete slab carrying South Kulani Road over Relief South Kulani Road in Hawaii County, Hawaii. It was built in 1969, so it is 56 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 880 vehicles a day, projected to reach 1,100 by 2025. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSouth Kulani Road
CrossesRelief South Kulani Road
LocationTmk: 1-8-086:999
StateHawaii
Coordinates19.54927, -155.09049
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (1986)
Projected traffic1,100 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$258,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Kulani Road over Relief South Kulani Road built?

It was built in 1969, making it 56 years old in 2025.

What condition is South Kulani Road over Relief South Kulani Road 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 May 2024.

How much traffic does South Kulani Road over Relief South Kulani Road carry?

About 880 vehicles per day (1986 count).

How long is South Kulani Road over Relief South Kulani Road?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 21 ft wide.

Who owns South Kulani Road over Relief South Kulani Road?

It is owned by the County Highway Agency.