US Bridges

Auyong Hmstd RD over Ulehawa Channel

Fair

Honolulu County, Hawaii · TMK=8-7-26 · Structure no. 003801001100001

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
2,326
1990 count
Owner
County
County Highway Agency

About this bridge

Auyong Hmstd RD over Ulehawa Channel is a prestressed concrete slab carrying Auyong Hmstd RD over Ulehawa Channel 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 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 2,326 vehicles a day, projected to reach 2,908 by 2025. The structure is 23 ft (6.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAuyong Hmstd RD
CrossesUlehawa Channel
LocationTMK=8-7-26
RouteCity Street 0
StateHawaii
Coordinates21.39028, -158.15313
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2023
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 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 rating81.8 US tons
Inventory rating63.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,326 (1990)
Projected traffic2,908 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Auyong Hmstd RD over Ulehawa Channel built?

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

What condition is Auyong Hmstd RD over Ulehawa Channel 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 November 2023.

How much traffic does Auyong Hmstd RD over Ulehawa Channel carry?

About 2,326 vehicles per day (1990 count).

How long is Auyong Hmstd RD over Ulehawa Channel?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Auyong Hmstd RD over Ulehawa Channel?

It is owned by the County Highway Agency.