US Bridges

Mohihi ST over Ulehawa Chl U-3

Fair

Honolulu County, Hawaii · TMK=8-7-035(MAILI) · Structure no. 003808001100001

Built
1964
61 years old
Condition
Fair
inspected December 2023
Type
Slab
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
1,129
1991 count
Owner
County
County Highway Agency

About this bridge

Mohihi ST over Ulehawa Chl U-3 is a prestressed concrete slab carrying Mohihi ST over Ulehawa Chl U-3 in Honolulu County, Hawaii. It was built in 1964, so it is 61 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 1,129 vehicles a day, projected to reach 1,411 by 2025. The structure is 22 ft (6.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMohihi ST
CrossesUlehawa Chl U-3
LocationTMK=8-7-035(MAILI)
RouteCity Street 0
StateHawaii
Coordinates21.39245, -158.15547
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,129 (1991)
Projected traffic1,411 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mohihi ST over Ulehawa Chl U-3 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Mohihi ST over Ulehawa Chl U-3 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 2023.

How much traffic does Mohihi ST over Ulehawa Chl U-3 carry?

About 1,129 vehicles per day (1991 count).

How long is Mohihi ST over Ulehawa Chl U-3?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns Mohihi ST over Ulehawa Chl U-3?

It is owned by the County Highway Agency.