US Bridges

Huli Street over Waimanalo Drainage Cnl

FairPosted for load

Honolulu County, Hawaii · TMK=4-1-24 · Structure no. 003438001200001

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
100
1986 count
Owner
County
County Highway Agency

About this bridge

Huli Street over Waimanalo Drainage Cnl is a concrete culvert carrying Huli Street over Waimanalo Drainage Cnl in Honolulu County, Hawaii. It was built in 1976, so it is 49 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 500 by 2029. The structure is 31 ft (9.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHuli Street
CrossesWaimanalo Drainage Cnl
LocationTMK=4-1-24
RouteCity Street 0
StateHawaii
Coordinates21.32921, -157.69312
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span6 ft (1.9 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1986)
Projected traffic500 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Huli Street over Waimanalo Drainage Cnl built?

It was built in 1976, making it 49 years old in 2025.

What condition is Huli Street over Waimanalo Drainage Cnl 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 Huli Street over Waimanalo Drainage Cnl carry?

About 100 vehicles per day (1986 count).

How long is Huli Street over Waimanalo Drainage Cnl?

The structure is 31 ft (9.3 m) long with a longest span of 6 ft (1.9 m) and a deck 56 ft wide.

Who owns Huli Street over Waimanalo Drainage Cnl?

It is owned by the County Highway Agency.