US Bridges

Manowaiopae Hmstd over Kilau Stream

GoodPosted for load

Hawaii County, Hawaii · Tmk: 3-6-003:012 · Structure no. 001360001100002

Built
1930
95 years old, rebuilt 2017
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
65 ft
4 main spans
Daily traffic
200
1986 count
Owner
County
County Highway Agency

About this bridge

Manowaiopae Hmstd over Kilau Stream is a wood or timber stringer/multi-beam or girder carrying Manowaiopae Hmstd over Kilau Stream in Hawaii County, Hawaii. It was built in 1930 and reconstructed in 2017, so it is 95 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, projected to reach 240 by 2030. The structure is 65 ft (19.8 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesManowaiopae Hmstd
CrossesKilau Stream
LocationTmk: 3-6-003:012
RouteCounty Highway 0
StateHawaii
Coordinates19.9759, -155.24719
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating15 US tons
Inventory rating11.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span16 ft (4.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1986)
Projected traffic240 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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$85,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Manowaiopae Hmstd over Kilau Stream built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2017.

What condition is Manowaiopae Hmstd over Kilau Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Manowaiopae Hmstd over Kilau Stream carry?

About 200 vehicles per day (1986 count).

How long is Manowaiopae Hmstd over Kilau Stream?

The structure is 65 ft (19.8 m) long with a longest span of 16 ft (4.9 m) and a deck 16 ft wide.

Who owns Manowaiopae Hmstd over Kilau Stream?

It is owned by the County Highway Agency.