US Bridges

Fs Route No. 2236 over Grouse Creek

Fair

Bonner County, Idaho · Grouse Creek · Structure no. 010406000001042

Built
1971
54 years old, rebuilt 2009
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
51 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route No. 2236 over Grouse Creek is a wood or timber stringer/multi-beam or girder carrying Fs Route No. 2236 over Grouse Creek in Bonner County, Idaho. It was built in 1971 and reconstructed in 2009, so it is 54 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 51 ft (15.5 m) long and 15 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesFs Route No. 2236
CrossesGrouse Creek
LocationGrouse Creek
RouteFederal Lands Road 2236
CountyBonner County
StateIdaho
Coordinates48.43816, -116.30192
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$115,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fs Route No. 2236 over Grouse Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2009.

What condition is Fs Route No. 2236 over Grouse 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 October 2023.

How much traffic does Fs Route No. 2236 over Grouse Creek carry?

About 50 vehicles per day (latest count).

How long is Fs Route No. 2236 over Grouse Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 15 ft wide.

Who owns Fs Route No. 2236 over Grouse Creek?

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