US Bridges

Pohakea RD over Opihiala Gulch

Fair

Hawaii County, Hawaii · Tmk 4-3-003:018 · Structure no. 001430001100003

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
40
1987 count
Owner
County
County Highway Agency

About this bridge

Pohakea RD over Opihiala Gulch is a prestressed concrete tee beam carrying Pohakea RD over Opihiala Gulch in Hawaii County, Hawaii. It was built in 1975, so it is 50 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 40 vehicles a day, projected to reach 50 by 2025. The structure is 69 ft (21.1 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPohakea RD
CrossesOpihiala Gulch
LocationTmk 4-3-003:018
CountyHawaii County
StateHawaii
Coordinates20.03893, -155.3805
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21.1 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1987)
Projected traffic50 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 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 Pohakea RD over Opihiala Gulch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Pohakea RD over Opihiala Gulch 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 April 2023.

How much traffic does Pohakea RD over Opihiala Gulch carry?

About 40 vehicles per day (1987 count).

How long is Pohakea RD over Opihiala Gulch?

The structure is 69 ft (21.1 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns Pohakea RD over Opihiala Gulch?

It is owned by the County Highway Agency.