US Bridges

Fdr 250 over N Fk Clearwater Riv

Good

Clearwater County, Idaho · Vic of JCT Fdr 250/255 · Structure no. 010503000000012

Built
1970
55 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
2 main spans
Daily traffic
100
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 250 over N Fk Clearwater Riv is a prestressed concrete stringer/multi-beam or girder carrying Fdr 250 over N Fk Clearwater Riv in Clearwater County, Idaho. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 4% of them trucks, projected to reach 150 by 2045. The structure is 135 ft (41.1 m) long and 36 ft wide.

CarriesFdr 250
CrossesN Fk Clearwater Riv
LocationVic of JCT Fdr 250/255
RouteFederal Lands Road 250
StateIdaho
Coordinates46.86001, -115.08323
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 inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating86.8 US tons
Inventory rating66.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length135 ft (41.1 m)
Longest span68 ft (20.6 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (—)
Projected traffic150 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 250 over N Fk Clearwater Riv built?

It was built in 1970, making it 55 years old in 2025.

What condition is Fdr 250 over N Fk Clearwater Riv 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 October 2022.

How much traffic does Fdr 250 over N Fk Clearwater Riv carry?

About 100 vehicles per day (latest count), of which roughly 4% are trucks.

How long is Fdr 250 over N Fk Clearwater Riv?

The structure is 135 ft (41.1 m) long with a longest span of 68 ft (20.6 m) and a deck 36 ft wide.

Who owns Fdr 250 over N Fk Clearwater Riv?

It is owned by the U.S. Forest Service.