US Bridges

M.Fk.Payette R. RD over Middle Fork Payette

Fair

Valley County, Idaho · (hardscrabble Bridge) · Structure no. 040206000001200

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
90
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

M.Fk.Payette R. RD over Middle Fork Payette is a steel continuous stringer/multi-beam or girder carrying M.Fk.Payette R. RD over Middle Fork Payette in Valley 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 fair condition with a lowest component rating of 5 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 90 vehicles a day, projected to reach 125 by 2000. The structure is 164 ft (50 m) long and 28 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

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CarriesM.Fk.Payette R. RD
CrossesMiddle Fork Payette
Location(hardscrabble Bridge)
RouteFederal Lands Road 698
CountyValley County
StateIdaho
Coordinates44.238, -115.899
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadH 20
Structure length164 ft (50 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1994)
Projected traffic125 by 2000
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M.Fk.Payette R. RD over Middle Fork Payette built?

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

What condition is M.Fk.Payette R. RD over Middle Fork Payette 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 September 2023.

How much traffic does M.Fk.Payette R. RD over Middle Fork Payette carry?

About 90 vehicles per day (1994 count).

How long is M.Fk.Payette R. RD over Middle Fork Payette?

The structure is 164 ft (50 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns M.Fk.Payette R. RD over Middle Fork Payette?

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