US Bridges

East Manoa RD over E Manoa Rd/Manoa Pk Ditc

FairPosted for load

Honolulu County, Hawaii · TMK=2-9-06 · Structure no. 003208001200001

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
1,320
1986 count
Owner
County
County Highway Agency

About this bridge

East Manoa RD over E Manoa Rd/Manoa Pk Ditc is a concrete tee beam carrying East Manoa RD over E Manoa Rd/Manoa Pk Ditc in Honolulu County, Hawaii. It was built in 1938, so it is 87 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 1,320 vehicles a day, projected to reach 1,650 by 2025. The structure is 36 ft (11 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEast Manoa RD
CrossesE Manoa Rd/Manoa Pk Ditc
LocationTMK=2-9-06
RouteCity Street 7642
CountyHonolulu County
StateHawaii
Coordinates21.31417, -157.80472
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (1986)
Projected traffic1,650 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East Manoa RD over E Manoa Rd/Manoa Pk Ditc built?

It was built in 1938, making it 87 years old in 2025.

What condition is East Manoa RD over E Manoa Rd/Manoa Pk Ditc 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 November 2024.

How much traffic does East Manoa RD over E Manoa Rd/Manoa Pk Ditc carry?

About 1,320 vehicles per day (1986 count).

How long is East Manoa RD over E Manoa Rd/Manoa Pk Ditc?

The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns East Manoa RD over E Manoa Rd/Manoa Pk Ditc?

It is owned by the County Highway Agency.