US Bridges

Manienie RD over Manienie Gulch

FairPosted for load

Hawaii County, Hawaii · Tmk 4-3-012:003 · Structure no. 001430001100007

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
50
1987 count
Owner
County
County Highway Agency

About this bridge

Manienie RD over Manienie Gulch is a wood or timber stringer/multi-beam or girder carrying Manienie RD over Manienie Gulch in Hawaii County, Hawaii. It was built in 1930, 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 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 50 vehicles a day, projected to reach 63 by 2025. The structure is 25 ft (7.6 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesManienie RD
CrossesManienie Gulch
LocationTmk 4-3-012:003
CountyHawaii County
StateHawaii
Coordinates20.02007, -155.40063
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating12.1 US tons
Inventory rating9.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1987)
Projected traffic63 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRelief for waterway
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$170,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Manienie RD over Manienie Gulch built?

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

What condition is Manienie RD over Manienie 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 April 2023.

How much traffic does Manienie RD over Manienie Gulch carry?

About 50 vehicles per day (1987 count).

How long is Manienie RD over Manienie Gulch?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 15 ft wide.

Who owns Manienie RD over Manienie Gulch?

It is owned by the County Highway Agency.