US Bridges

Crooked River Road over S.Fk.Clearwater River

Fair

Idaho County, Idaho · 0.3 S. 4.4 W. Elk City · Structure no. 000000000029320

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

Crooked River Road over S.Fk.Clearwater River is a prestressed concrete stringer/multi-beam or girder carrying Crooked River Road over S.Fk.Clearwater River in Idaho County, Idaho. It was built in 1986, so it is 39 years old, younger than the Idaho average of 45.3 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.

It carries about 110 vehicles a day, roughly 10% of them trucks, projected to reach 165 by 2042. The structure is 102 ft (31.1 m) long and 34 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesCrooked River Road
CrossesS.Fk.Clearwater River
Location0.3 S. 4.4 W. Elk City
RouteCounty Highway 0
CountyIdaho County
StateIdaho
Coordinates45.82518, -115.52715
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span99 ft (30.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic110 (2023)
Projected traffic165 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Crooked River Road over S.Fk.Clearwater River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Crooked River Road over S.Fk.Clearwater River 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 June 2024.

How much traffic does Crooked River Road over S.Fk.Clearwater River carry?

About 110 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Crooked River Road over S.Fk.Clearwater River?

The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 34 ft wide.

Who owns Crooked River Road over S.Fk.Clearwater River?

It is owned by the County Highway Agency.