US Bridges

Bridge Ck. Road over M.Fk. Payette River

GoodPosted for load

Valley County, Idaho · Boiling Springs C.G. · Structure no. 040206000001199

Built
1956
69 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
20
1986 count
Owner
Federal
U.S. Forest Service

About this bridge

Bridge Ck. Road over M.Fk. Payette River is a steel stringer/multi-beam or girder carrying Bridge Ck. Road over M.Fk. Payette River in Valley County, Idaho. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 30 by 2045. The structure is 78 ft (23.9 m) long and 14 ft wide. If it were closed, the detour would be 27.3 mi (44 km).

CarriesBridge Ck. Road
CrossesM.Fk. Payette River
LocationBoiling Springs C.G.
RouteFederal Lands Road 678
StateIdaho
Coordinates44.358, -115.861
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length78 ft (23.9 m)
Longest span75 ft (22.9 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1986)
Projected traffic30 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed27.3 mi (44 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge Ck. Road over M.Fk. Payette River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Bridge Ck. Road over M.Fk. Payette 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 August 2023.

How much traffic does Bridge Ck. Road over M.Fk. Payette River carry?

About 20 vehicles per day (1986 count).

How long is Bridge Ck. Road over M.Fk. Payette River?

The structure is 78 ft (23.9 m) long with a longest span of 75 ft (22.9 m) and a deck 14 ft wide.

Who owns Bridge Ck. Road over M.Fk. Payette River?

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