US Bridges

FAI H1 over Houghtailing Sep

Fair

Honolulu County, Hawaii · 0.53MI E/Gulick Ave · Structure no. 003000H10202043

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
88 ft
1 main span
Daily traffic
126,600
2017 count
Owner
State
State Highway Agency

About this bridge

FAI H1 over Houghtailing Sep is a concrete continuous box beam or girders - multiple carrying FAI H1 over Houghtailing Sep 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 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 126,600 vehicles a day, roughly 2% of them trucks, projected to reach 224,039 by 2025. The structure is 88 ft (26.8 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAI H1
CrossesHoughtailing Sep
Location0.53MI E/Gulick Ave
RouteInterstate 0H1
CountyHonolulu County
StateHawaii
Coordinates21.33004, -157.86988
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span80 ft (24.4 m)
Deck width127 ft (38.6 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126,600 (2017)
Projected traffic224,039 by 2025
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI H1 over Houghtailing Sep built?

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

What condition is FAI H1 over Houghtailing Sep 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 June 2023.

How much traffic does FAI H1 over Houghtailing Sep carry?

About 126,600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FAI H1 over Houghtailing Sep?

The structure is 88 ft (26.8 m) long with a longest span of 80 ft (24.4 m) and a deck 127 ft wide.

Who owns FAI H1 over Houghtailing Sep?

It is owned by the State Highway Agency.