US Bridges

Fs Route 301 over Fishhook Creek

Fair

Shoshone County, Idaho · 5.3 MI F/ Avery Id · Structure no. 010402000000188

Built
1966
59 years old, rebuilt 1997
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
40
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route 301 over Fishhook Creek is a prestressed concrete stringer/multi-beam or girder carrying Fs Route 301 over Fishhook Creek in Shoshone County, Idaho. It was built in 1966 and reconstructed in 1997, so it is 59 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 140 ft (42.7 m) long and 28 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFs Route 301
CrossesFishhook Creek
Location5.3 MI F/ Avery Id
RouteFederal Lands Road 301
StateIdaho
Coordinates47.20333, -115.84423
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length140 ft (42.7 m)
Longest span63 ft (19.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 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 closed98.2 mi (158 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 301 over Fishhook Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1997.

What condition is Fs Route 301 over Fishhook 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 2022.

How much traffic does Fs Route 301 over Fishhook Creek carry?

About 40 vehicles per day (2018 count).

How long is Fs Route 301 over Fishhook Creek?

The structure is 140 ft (42.7 m) long with a longest span of 63 ft (19.2 m) and a deck 28 ft wide.

Who owns Fs Route 301 over Fishhook Creek?

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