US Bridges

Kam HWY over Lokoea Strm-Sunken Cnty

Fair

Honolulu County, Hawaii · 0.07MI N/Lokoea RD · Structure no. 00300C301100152

Built
1923
102 years old, rebuilt 1977
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
50 ft
2 main spans
Daily traffic
13,069
1985 count
Owner
County
County Highway Agency

About this bridge

Kam HWY over Lokoea Strm-Sunken Cnty is a concrete culvert carrying Kam HWY over Lokoea Strm-Sunken Cnty in Honolulu County, Hawaii. It was built in 1923 and reconstructed in 1977, so it is 102 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,069 vehicles a day, projected to reach 16,336 by 2025. The structure is 50 ft (15.2 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKam HWY
CrossesLokoea Strm-Sunken Cnty
Location0.07MI N/Lokoea RD
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.59562, -158.10308
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span22 ft (6.8 m)
Deck width52 ft (15.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,069 (1985)
Projected traffic16,336 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Kam HWY over Lokoea Strm-Sunken Cnty built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1977.

What condition is Kam HWY over Lokoea Strm-Sunken Cnty 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 October 2023.

How much traffic does Kam HWY over Lokoea Strm-Sunken Cnty carry?

About 13,069 vehicles per day (1985 count).

How long is Kam HWY over Lokoea Strm-Sunken Cnty?

The structure is 50 ft (15.2 m) long with a longest span of 22 ft (6.8 m) and a deck 52 ft wide.

Who owns Kam HWY over Lokoea Strm-Sunken Cnty?

It is owned by the County Highway Agency.