US Bridges

Route 11 over Unmd Glh

Good

Hawaii County, Hawaii · 0.87MI S/Palani RD Junct · Structure no. 001000110300059

Built
1984
41 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
48 ft
3 main spans
Daily traffic
25,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 11 over Unmd Glh is a steel culvert carrying Route 11 over Unmd Glh in Hawaii County, Hawaii. It was built in 1984, so it is 41 years old, younger 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.

It carries about 25,400 vehicles a day, roughly 2% of them trucks, projected to reach 23,195 by 2025. The structure is 48 ft (14.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 11
CrossesUnmd Glh
Location0.87MI S/Palani RD Junct
RouteU.S. Route 11
StateHawaii
Coordinates19.64004, -155.98167
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,400 (2019)
Projected traffic23,195 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$770,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 11 over Unmd Glh built?

It was built in 1984, making it 41 years old in 2025.

What condition is Route 11 over Unmd Glh 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 July 2023.

How much traffic does Route 11 over Unmd Glh carry?

About 25,400 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Route 11 over Unmd Glh?

The structure is 48 ft (14.5 m) long with a longest span of 13 ft (4 m).

Who owns Route 11 over Unmd Glh?

It is owned by the State Highway Agency.