US Bridges

FAI-H1 over Manoa Palolo Strm

Fair

Honolulu County, Hawaii · 0.09MI E/Old Waialae RD · Structure no. 003000H10202512

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
2 main spans
Daily traffic
112,200
2017 count
Owner
State
State Highway Agency

About this bridge

FAI-H1 over Manoa Palolo Strm is a prestressed concrete stringer/multi-beam or girder carrying FAI-H1 over Manoa Palolo Strm 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 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 112,200 vehicles a day, roughly 2% of them trucks, projected to reach 141,757 by 2025. The structure is 117 ft (35.7 m) long and 132 ft wide.

Location

Open in Google Maps
CarriesFAI-H1
CrossesManoa Palolo Strm
Location0.09MI E/Old Waialae RD
RouteInterstate 0H1
CountyHonolulu County
StateHawaii
Coordinates21.2897, -157.8157
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span57 ft (17.4 m)
Deck width132 ft (40.1 m)
Roadway width128 ft (38.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112,200 (2017)
Projected traffic141,757 by 2025
Trucks2%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAI-H1 over Manoa Palolo Strm built?

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

What condition is FAI-H1 over Manoa Palolo Strm 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 July 2023.

How much traffic does FAI-H1 over Manoa Palolo Strm carry?

About 112,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FAI-H1 over Manoa Palolo Strm?

The structure is 117 ft (35.7 m) long with a longest span of 57 ft (17.4 m) and a deck 132 ft wide.

Who owns FAI-H1 over Manoa Palolo Strm?

It is owned by the State Highway Agency.