US Bridges

Diamond Head RD over Upper Gully(diamond Head

GoodPosted for load

Honolulu County, Hawaii · 950W/POKI St/Dia Hd RD · Structure no. 003083051400001

Built
1930
95 years old
Condition
Good
inspected December 2024
Type
Other
Concrete
Length
45 ft
1 main span
Daily traffic
9,005
1998 count
Owner
County
County Highway Agency

About this bridge

Diamond Head RD over Upper Gully(diamond Head is a concrete other carrying Diamond Head RD over Upper Gully(diamond Head in Honolulu County, Hawaii. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 9,005 vehicles a day, projected to reach 11,256 by 2025. The structure is 45 ft (13.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDiamond Head RD
CrossesUpper Gully(diamond Head
Location950W/POKI St/Dia Hd RD
RouteCity Street 0
CountyHonolulu County
StateHawaii
Coordinates21.25632, -157.80463
Functional classUrban Minor Arterial

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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length45 ft (13.8 m)
Longest span45 ft (13.8 m)
Deck width29 ft (8.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,005 (1998)
Projected traffic11,256 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 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$496,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Diamond Head RD over Upper Gully(diamond Head built?

It was built in 1930, making it 95 years old in 2025.

What condition is Diamond Head RD over Upper Gully(diamond Head 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 Diamond Head RD over Upper Gully(diamond Head carry?

About 9,005 vehicles per day (1998 count).

How long is Diamond Head RD over Upper Gully(diamond Head?

The structure is 45 ft (13.8 m) long with a longest span of 45 ft (13.8 m) and a deck 29 ft wide.

Who owns Diamond Head RD over Upper Gully(diamond Head?

It is owned by the County Highway Agency.