US Bridges

Crooked River Road over Crooked River

Good

Idaho County, Idaho · 6.0 S. 4.0 W. Elk City · Structure no. 000000000029260

Built
1965
60 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

Crooked River Road over Crooked River is a wood or timber stringer/multi-beam or girder carrying Crooked River Road over Crooked River in Idaho County, Idaho. It was built in 1965, so it is 60 years old, older 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 165 by 2042. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesCrooked River Road
CrossesCrooked River
Location6.0 S. 4.0 W. Elk City
RouteCounty Highway 0
StateIdaho
Coordinates45.74196, -115.52117
Functional classRural Minor Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating29 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic165 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$371,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Crooked River Road over Crooked River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Crooked River Road over Crooked River 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 2024.

How much traffic does Crooked River Road over Crooked River carry?

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

How long is Crooked River Road over Crooked River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Crooked River Road over Crooked River?

It is owned by the County Highway Agency.