US Bridges

Frd 5671 over Pack Creek

Good

Idaho County, Idaho · 10 Mins S of Lolo Pass · Structure no. 011755000020615

Built
2012
13 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
41 ft
1 main span
Daily traffic
10
1000 count
Owner
Federal
U.S. Forest Service

About this bridge

Frd 5671 over Pack Creek is a steel continuous stringer/multi-beam or girder carrying Frd 5671 over Pack Creek in Idaho County, Idaho. It was built in 2012, so it is 13 years old, younger than the Idaho average of 45.3 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFrd 5671
CrossesPack Creek
Location10 Mins S of Lolo Pass
RouteFederal Lands Road 5671
StateIdaho
Coordinates46.61442, -114.57388
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.4 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1000)
Projected traffic15 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Frd 5671 over Pack Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Frd 5671 over Pack Creek 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 Frd 5671 over Pack Creek carry?

About 10 vehicles per day (1000 count).

How long is Frd 5671 over Pack Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns Frd 5671 over Pack Creek?

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