US Bridges

Kailua RD over Kawainui Strm

Fair

Honolulu County, Hawaii · 0.90MI E/Ulumanu DR · Structure no. 003000610401061

Built
1940
85 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
54 ft
3 main spans
Daily traffic
30,705
2007 count
Owner
State
State Highway Agency

About this bridge

Kailua RD over Kawainui Strm is a concrete slab carrying Kailua RD over Kawainui Strm in Honolulu County, Hawaii. It was built in 1940, so it is 85 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 30,705 vehicles a day, projected to reach 36,630 by 2025. The structure is 54 ft (16.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKailua RD
CrossesKawainui Strm
Location0.90MI E/Ulumanu DR
RouteU.S. Route 61
CountyHonolulu County
StateHawaii
Coordinates21.39313, -157.74546
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,705 (2007)
Projected traffic36,630 by 2025
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kailua RD over Kawainui Strm built?

It was built in 1940, making it 85 years old in 2025.

What condition is Kailua RD over Kawainui Strm 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 2024.

How much traffic does Kailua RD over Kawainui Strm carry?

About 30,705 vehicles per day (2007 count).

How long is Kailua RD over Kawainui Strm?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 31 ft wide.

Who owns Kailua RD over Kawainui Strm?

It is owned by the State Highway Agency.