US Bridges

Kaiwiki Hmstd Road over Unnamed Stream

FairPosted for load

Hawaii County, Hawaii · Tmk: 2-6-011:015 · Structure no. 001260001100007

Built
1930
95 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
71 ft
4 main spans
Daily traffic
10
1989 count
Owner
County
County Highway Agency

About this bridge

Kaiwiki Hmstd Road over Unnamed Stream is a wood or timber stringer/multi-beam or girder carrying Kaiwiki Hmstd Road over Unnamed Stream 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 10 vehicles a day, projected to reach 13 by 2025. The structure is 71 ft (21.6 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKaiwiki Hmstd Road
CrossesUnnamed Stream
LocationTmk: 2-6-011:015
CountyHawaii County
StateHawaii
Coordinates19.75908, -155.15776
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.5 US tons
Inventory rating9.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span21 ft (6.4 m)
Deck width13 ft (4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1989)
Projected traffic13 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$310,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kaiwiki Hmstd Road over Unnamed Stream built?

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

What condition is Kaiwiki Hmstd Road over Unnamed Stream 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 July 2024.

How much traffic does Kaiwiki Hmstd Road over Unnamed Stream carry?

About 10 vehicles per day (1989 count).

How long is Kaiwiki Hmstd Road over Unnamed Stream?

The structure is 71 ft (21.6 m) long with a longest span of 21 ft (6.4 m) and a deck 13 ft wide.

Who owns Kaiwiki Hmstd Road over Unnamed Stream?

It is owned by the County Highway Agency.