US Bridges

Forest Road 1194 over So. Fk. Red River

Fair

Idaho County, Idaho · No Data Entered · Structure no. 011705000000073

Built
1969
56 years old
Condition
Fair
inspected August 2020
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
40
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 1194 over So. Fk. Red River is a wood or timber stringer/multi-beam or girder carrying Forest Road 1194 over So. Fk. Red River in Idaho County, Idaho. It was built in 1969, so it is 56 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 24 ft (7.4 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

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CarriesForest Road 1194
CrossesSo. Fk. Red River
LocationNo Data Entered
RouteFederal Lands Road 1194
CountyIdaho County
StateIdaho
Coordinates45.64589, -115.40759
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span23 ft (7.1 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (—)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Forest Road 1194 over So. Fk. Red River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Forest Road 1194 over So. Fk. Red River 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 2020.

How much traffic does Forest Road 1194 over So. Fk. Red River carry?

About 40 vehicles per day (latest count).

How long is Forest Road 1194 over So. Fk. Red River?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (7.1 m) and a deck 16 ft wide.

Who owns Forest Road 1194 over So. Fk. Red River?

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