US Bridges

Ohana RD over Drainage Channel

Good

Hawaii County, Hawaii · TMK:7-5-24:61 · Structure no. 001750001100005

Built
1987
38 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

Ohana RD over Drainage Channel is a steel stringer/multi-beam or girder carrying Ohana RD over Drainage Channel in Hawaii County, Hawaii. It was built in 1987, so it is 38 years old, younger 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 10 vehicles a day, projected to reach 12 by 2030. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOhana RD
CrossesDrainage Channel
LocationTMK:7-5-24:61
RouteCounty Highway 0
StateHawaii
Coordinates19.6541, -155.96123
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans0
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2008)
Projected traffic12 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ohana RD over Drainage Channel built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ohana RD over Drainage Channel 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 March 2024.

How much traffic does Ohana RD over Drainage Channel carry?

About 10 vehicles per day (2008 count).

How long is Ohana RD over Drainage Channel?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Ohana RD over Drainage Channel?

It is owned by the County Highway Agency.