US Bridges

FAI-H1 over Strm-Trpl 168" Stl Pl

Fair

Honolulu County, Hawaii · 0.49MI E/Kunia RD · Structure no. 003000H10100586

Built
1967
58 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
162 ft
3 main spans
Daily traffic
174,200
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Strm-Trpl 168" Stl Pl is a steel culvert carrying FAI-H1 over Strm-Trpl 168" Stl Pl in Honolulu County, Hawaii. It was built in 1967, so it is 58 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 174,200 vehicles a day, roughly 4% of them trucks, projected to reach 176,247 by 2025. The structure is 162 ft (49.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAI-H1
CrossesStrm-Trpl 168" Stl Pl
Location0.49MI E/Kunia RD
RouteInterstate 0H1
StateHawaii
Coordinates21.3875, -158.02575
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174,200 (2017)
Projected traffic176,247 by 2025
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Strm-Trpl 168" Stl Pl built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAI-H1 over Strm-Trpl 168" Stl Pl 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 2024.

How much traffic does FAI-H1 over Strm-Trpl 168" Stl Pl carry?

About 174,200 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is FAI-H1 over Strm-Trpl 168" Stl Pl?

The structure is 162 ft (49.4 m) long with a longest span of 14 ft (4.3 m).

Who owns FAI-H1 over Strm-Trpl 168" Stl Pl?

It is owned by the State Highway Agency.