US Bridges

E Manoa RD over Manoa Strm

Fair

Honolulu County, Hawaii · 400E/LOWREY/E Manoa RD · Structure no. 003083071400092

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
73 ft
2 main spans
Daily traffic
13,006
1997 count
Owner
County
County Highway Agency

About this bridge

E Manoa RD over Manoa Strm is a concrete continuous slab carrying E Manoa RD over Manoa Strm in Honolulu County, Hawaii. It was built in 1950, so it is 75 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.

It carries about 13,006 vehicles a day, projected to reach 16,258 by 2025. The structure is 73 ft (22.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Manoa RD
CrossesManoa Strm
Location400E/LOWREY/E Manoa RD
RouteCity Street 7642
StateHawaii
Coordinates21.31019, -157.80956
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length73 ft (22.1 m)
Longest span34 ft (10.4 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,006 (1997)
Projected traffic16,258 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$572,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Manoa RD over Manoa Strm built?

It was built in 1950, making it 75 years old in 2025.

What condition is E Manoa RD over Manoa 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 November 2024.

How much traffic does E Manoa RD over Manoa Strm carry?

About 13,006 vehicles per day (1997 count).

How long is E Manoa RD over Manoa Strm?

The structure is 73 ft (22.1 m) long with a longest span of 34 ft (10.4 m) and a deck 50 ft wide.

Who owns E Manoa RD over Manoa Strm?

It is owned by the County Highway Agency.