US Bridges

No Data Entered over N F Losthorse CR

Poor

Ravalli County, Montana · No Data Entered · Structure no. 010302000000062

Built
1953
72 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
40
1979 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over N F Losthorse CR is a wood or timber stringer/multi-beam or girder carrying No Data Entered over N F Losthorse CR in Ravalli County, Montana. It was built in 1953, so it is 72 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 24 ft (7.3 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesNo Data Entered
CrossesN F Losthorse CR
LocationNo Data Entered
RouteFederal Lands Road 429
CountyRavalli County
StateMontana
Coordinates46.11275, -114.28397
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1979)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 No Data Entered over N F Losthorse CR built?

It was built in 1953, making it 72 years old in 2025.

What condition is No Data Entered over N F Losthorse CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does No Data Entered over N F Losthorse CR carry?

About 40 vehicles per day (1979 count).

How long is No Data Entered over N F Losthorse CR?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 15 ft wide.

Who owns No Data Entered over N F Losthorse CR?

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