US Bridges

Mokuhano St. over Kalama Valley

Fair

Honolulu County, Hawaii · TMK=3-9-10 15 18 · Structure no. 003392001200001

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
1,205
1990 count
Owner
County
County Highway Agency

About this bridge

Mokuhano St. over Kalama Valley is a prestressed concrete stringer/multi-beam or girder carrying Mokuhano St. over Kalama Valley in Honolulu County, Hawaii. It was built in 1972, so it is 53 years old, younger 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 1,205 vehicles a day, projected to reach 1,506 by 2025. The structure is 44 ft (13.4 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesMokuhano St.
CrossesKalama Valley
LocationTMK=3-9-10 15 18
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.29808, -157.6708
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span41 ft (12.6 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,205 (1990)
Projected traffic1,506 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mokuhano St. over Kalama Valley built?

It was built in 1972, making it 53 years old in 2025.

What condition is Mokuhano St. over Kalama Valley 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 December 2024.

How much traffic does Mokuhano St. over Kalama Valley carry?

About 1,205 vehicles per day (1990 count).

How long is Mokuhano St. over Kalama Valley?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.6 m) and a deck 56 ft wide.

Who owns Mokuhano St. over Kalama Valley?

It is owned by the County Highway Agency.