US Bridges

Kapiolani Blvd over Manoa-Palolo Strm

Good

Honolulu County, Hawaii · 400W/KAIMUKI/KAP Blvd · Structure no. 003062021400168

Built
1950
75 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
177 ft
4 main spans
Daily traffic
18,917
1988 count
Owner
County
County Highway Agency

About this bridge

Kapiolani Blvd over Manoa-Palolo Strm is a concrete continuous tee beam carrying Kapiolani Blvd over Manoa-Palolo Strm in Honolulu County, Hawaii. It was built in 1950, so it is 75 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,917 vehicles a day, projected to reach 23,646 by 2025. The structure is 177 ft (53.9 m) long and 97 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKapiolani Blvd
CrossesManoa-Palolo Strm
Location400W/KAIMUKI/KAP Blvd
RouteCity Street 7503
StateHawaii
Coordinates21.28825, -157.81709
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span51 ft (15.5 m)
Deck width97 ft (29.7 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,917 (1988)
Projected traffic23,646 by 2025
Trucks0%
Lanes on structure6
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$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Kapiolani Blvd over Manoa-Palolo Strm built?

It was built in 1950, making it 75 years old in 2025.

What condition is Kapiolani Blvd over Manoa-Palolo Strm in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Kapiolani Blvd over Manoa-Palolo Strm carry?

About 18,917 vehicles per day (1988 count).

How long is Kapiolani Blvd over Manoa-Palolo Strm?

The structure is 177 ft (53.9 m) long with a longest span of 51 ft (15.5 m) and a deck 97 ft wide.

Who owns Kapiolani Blvd over Manoa-Palolo Strm?

It is owned by the County Highway Agency.