US Bridges

Kam HWY over Halawa Strm (w.B)

Fair

Honolulu County, Hawaii · 0.06MI S/Kalaloa ST · Structure no. 003000990402212

Built
1945
80 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
240 ft
6 main spans
Daily traffic
27,300
2017 count
Owner
State
State Highway Agency

About this bridge

Kam HWY over Halawa Strm (w.B) is a concrete continuous tee beam carrying Kam HWY over Halawa Strm (w.B) in Honolulu County, Hawaii. It was built in 1945, so it is 80 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.

It carries about 27,300 vehicles a day, roughly 4% of them trucks, projected to reach 34,268 by 2025. The structure is 240 ft (73.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKam HWY
CrossesHalawa Strm (w.B)
Location0.06MI S/Kalaloa ST
RouteU.S. Route 99
CountyHonolulu County
StateHawaii
Coordinates21.36479, -157.93732
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,300 (2017)
Projected traffic34,268 by 2025
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kam HWY over Halawa Strm (w.B) built?

It was built in 1945, making it 80 years old in 2025.

What condition is Kam HWY over Halawa Strm (w.B) 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 March 2023.

How much traffic does Kam HWY over Halawa Strm (w.B) carry?

About 27,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Kam HWY over Halawa Strm (w.B)?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Kam HWY over Halawa Strm (w.B)?

It is owned by the State Highway Agency.