US Bridges

5857 French Garver over W Fk Yaak R.

Good

Lincoln County, Montana · .1 Mile from JCT W/276 · Structure no. 011404000000064

Built
1961
64 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
51 ft
1 main span
Daily traffic
30
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

5857 French Garver over W Fk Yaak R. is a wood or timber stringer/multi-beam or girder carrying 5857 French Garver over W Fk Yaak R. in Lincoln County, Montana. It was built in 1961, so it is 64 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 45 by 2045. The structure is 51 ft (15.5 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Carries5857 French Garver
CrossesW Fk Yaak R.
Location.1 Mile from JCT W/276
RouteFederal Lands Road 5857
StateMontana
Coordinates48.93188, -115.725
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (15 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1994)
Projected traffic45 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5857 French Garver over W Fk Yaak R. built?

It was built in 1961, making it 64 years old in 2025.

What condition is 5857 French Garver over W Fk Yaak R. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 5857 French Garver over W Fk Yaak R. carry?

About 30 vehicles per day (1994 count).

How long is 5857 French Garver over W Fk Yaak R.?

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

Who owns 5857 French Garver over W Fk Yaak R.?

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