US Bridges

Kukuau Street over Relief

Good

Hawaii County, Hawaii · Tmk: 2-4-082:001 · Structure no. 001240001100007

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

Kukuau Street over Relief is a concrete culvert carrying Kukuau Street over Relief in Hawaii County, Hawaii. It was built in 2012, so it is 13 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.

It carries about 100 vehicles a day, projected to reach 1,000 by 2030. The structure is 45 ft (13.6 m) long and 144 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesKukuau Street
CrossesRelief
LocationTmk: 2-4-082:001
StateHawaii
Coordinates19.69142, -155.11038
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.5 US tons
Inventory rating91.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length45 ft (13.6 m)
Longest span10 ft (3 m)
Deck width144 ft (43.9 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic100 (2013)
Projected traffic1,000 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kukuau Street over Relief built?

It was built in 2012, making it 13 years old in 2025.

What condition is Kukuau Street over Relief 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 January 2025.

How much traffic does Kukuau Street over Relief carry?

About 100 vehicles per day (2013 count).

How long is Kukuau Street over Relief?

The structure is 45 ft (13.6 m) long with a longest span of 10 ft (3 m) and a deck 144 ft wide.

Who owns Kukuau Street over Relief?

It is owned by the County Highway Agency.