US Bridges

Harmony Heights RD over Orofino Creek

Good

Clearwater County, Idaho · 0.4 S. 3.7 E. Orofino · Structure no. 000000000029036

Built
2020
5 years old
Condition
Good
inspected June 2022
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
220
2023 count
Owner
County
County Highway Agency

About this bridge

Harmony Heights RD over Orofino Creek is a prestressed concrete slab carrying Harmony Heights RD over Orofino Creek in Clearwater County, Idaho. It was built in 2020, so it is 5 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 15% of them trucks, projected to reach 330 by 2040. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesHarmony Heights RD
CrossesOrofino Creek
Location0.4 S. 3.7 E. Orofino
RouteCounty Highway 0
CountyClearwater County
StateIdaho
Coordinates46.47311, -116.178
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic330 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony Heights RD over Orofino Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Harmony Heights RD over Orofino Creek 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 June 2022.

How much traffic does Harmony Heights RD over Orofino Creek carry?

About 220 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Harmony Heights RD over Orofino Creek?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 32 ft wide.

Who owns Harmony Heights RD over Orofino Creek?

It is owned by the County Highway Agency.