US Bridges

Farr HWY over Farr Hwy/Kaloi Gulch

FairPosted for load

Honolulu County, Hawaii · TMK=8-1-17 · Structure no. 003923001100001

Built
1941
84 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
5,213
1980 count
Owner
County
County Highway Agency

About this bridge

Farr HWY over Farr Hwy/Kaloi Gulch is a concrete slab carrying Farr HWY over Farr Hwy/Kaloi Gulch in Honolulu County, Hawaii. It was built in 1941, so it is 84 years old, older 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. Its operating status is: posted for load restriction.

It carries about 5,213 vehicles a day, projected to reach 6,516 by 2025. The structure is 27 ft (8.1 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFarr HWY
CrossesFarr Hwy/Kaloi Gulch
LocationTMK=8-1-17
RouteCity Street 9107
StateHawaii
Coordinates21.36348, -158.05415
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,213 (1980)
Projected traffic6,516 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$231,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Farr HWY over Farr Hwy/Kaloi Gulch built?

It was built in 1941, making it 84 years old in 2025.

What condition is Farr HWY over Farr Hwy/Kaloi 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 September 2023.

How much traffic does Farr HWY over Farr Hwy/Kaloi Gulch carry?

About 5,213 vehicles per day (1980 count).

How long is Farr HWY over Farr Hwy/Kaloi Gulch?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns Farr HWY over Farr Hwy/Kaloi Gulch?

It is owned by the County Highway Agency.