US Bridges

Keolu DR over Keolu Dr/Helu Drain Chl

FairPosted for load

Honolulu County, Hawaii · TMK=4-2-24 · Structure no. 003427001100001

Built
1957
68 years old, rebuilt 1966
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
29 ft
2 main spans
Daily traffic
12,641
1986 count
Owner
County
County Highway Agency

About this bridge

Keolu DR over Keolu Dr/Helu Drain Chl is a concrete slab carrying Keolu DR over Keolu Dr/Helu Drain Chl in Honolulu County, Hawaii. It was built in 1957 and reconstructed in 1966, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 12,641 vehicles a day, projected to reach 15,801 by 2025. The structure is 29 ft (8.7 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKeolu DR
CrossesKeolu Dr/Helu Drain Chl
LocationTMK=4-2-24
RouteCity Street 6013
CountyHonolulu County
StateHawaii
Coordinates21.37871, -157.72849
Functional classUrban Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width79 ft (24.2 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,641 (1986)
Projected traffic15,801 by 2025
Trucks0%
Lanes on structure5
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$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Keolu DR over Keolu Dr/Helu Drain Chl built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1966.

What condition is Keolu DR over Keolu Dr/Helu Drain Chl 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 September 2023.

How much traffic does Keolu DR over Keolu Dr/Helu Drain Chl carry?

About 12,641 vehicles per day (1986 count).

How long is Keolu DR over Keolu Dr/Helu Drain Chl?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m) and a deck 79 ft wide.

Who owns Keolu DR over Keolu Dr/Helu Drain Chl?

It is owned by the County Highway Agency.