US Bridges

Main Street over Orofino Creek

Good

Clearwater County, Idaho · In Orofino; Main ST · Structure no. 000000000028995

Built
1984
41 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Orofino Creek is a prestressed concrete box beam or girders - multiple carrying Main Street over Orofino Creek in Clearwater County, Idaho. It was built in 1984, so it is 41 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 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2039. The structure is 102 ft (31.1 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMain Street
CrossesOrofino Creek
LocationIn Orofino; Main ST
RouteCity Street 0
StateIdaho
Coordinates46.4769, -116.25344
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic750 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Main Street over Orofino Creek built?

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

What condition is Main Street 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 Main Street over Orofino Creek carry?

About 500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Main Street over Orofino Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns Main Street over Orofino Creek?

It is owned by the City or Municipal Highway Agency.