US Bridges

FAI-H1 over Cane Haul RD 451 Ob

Fair

Honolulu County, Hawaii · 0.98MI E/Managers DR · Structure no. 003000H10100776

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
171,500
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Cane Haul RD 451 Ob is a prestressed concrete stringer/multi-beam or girder carrying FAI-H1 over Cane Haul RD 451 Ob in Honolulu County, Hawaii. It was built in 1968, so it is 57 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 171,500 vehicles a day, roughly 4% of them trucks, projected to reach 152,698 by 2025. The structure is 158 ft (48.2 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAI-H1
CrossesCane Haul RD 451 Ob
Location0.98MI E/Managers DR
RouteInterstate 0H1
CountyHonolulu County
StateHawaii
Coordinates21.39931, -157.99978
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span86 ft (26.2 m)
Deck width73 ft (22.2 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171,500 (2017)
Projected traffic152,698 by 2025
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 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$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI-H1 over Cane Haul RD 451 Ob built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAI-H1 over Cane Haul RD 451 Ob 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 Cane Haul RD 451 Ob carry?

About 171,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is FAI-H1 over Cane Haul RD 451 Ob?

The structure is 158 ft (48.2 m) long with a longest span of 86 ft (26.2 m) and a deck 73 ft wide.

Who owns FAI-H1 over Cane Haul RD 451 Ob?

It is owned by the State Highway Agency.