US Bridges

Fs Route No. 208 over Cinnamon Creek

Fair

Shoshone County, Idaho · 23.6 MI from Babins Jct. · Structure no. 010401000000233

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
40
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route No. 208 over Cinnamon Creek is a prestressed concrete slab carrying Fs Route No. 208 over Cinnamon Creek in Shoshone County, Idaho. It was built in 1974, so it is 51 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 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 40 vehicles a day, projected to reach 60 by 2045. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesFs Route No. 208
CrossesCinnamon Creek
Location23.6 MI from Babins Jct.
RouteFederal Lands Road 208
CountyShoshone County
StateIdaho
Coordinates47.87082, -116.10752
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2018)
Projected traffic60 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-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. 208 over Cinnamon Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Fs Route No. 208 over Cinnamon 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 July 2024.

How much traffic does Fs Route No. 208 over Cinnamon Creek carry?

About 40 vehicles per day (2018 count).

How long is Fs Route No. 208 over Cinnamon Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns Fs Route No. 208 over Cinnamon Creek?

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