US Bridges

Fs Route No. 661 over Toot Creek

Fair

Boundary County, Idaho · Toot Creek · Structure no. 010407000000107

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route No. 661 over Toot Creek is a wood or timber stringer/multi-beam or girder carrying Fs Route No. 661 over Toot Creek in Boundary County, Idaho. It was built in 1987, so it is 38 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesFs Route No. 661
CrossesToot Creek
LocationToot Creek
RouteFederal Lands Road 661
CountyBoundary County
StateIdaho
Coordinates48.72198, -116.59497
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 Fs Route No. 661 over Toot Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Fs Route No. 661 over Toot Creek 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 August 2024.

How much traffic does Fs Route No. 661 over Toot Creek carry?

About 50 vehicles per day (latest count).

How long is Fs Route No. 661 over Toot Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.

Who owns Fs Route No. 661 over Toot Creek?

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