US Bridges

No Data Entered over Lost Horse CR

Fair

Ravalli County, Montana · No Data Entered · Structure no. 010302000000020

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
1 main span
Daily traffic
14
1979 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Lost Horse CR is a wood or timber stringer/multi-beam or girder carrying No Data Entered over Lost Horse CR in Ravalli County, Montana. It was built in 1968, so it is 57 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 14 vehicles a day, projected to reach 21 by 2045. The structure is 47 ft (14.3 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesNo Data Entered
CrossesLost Horse CR
LocationNo Data Entered
RouteFederal Lands Road 5621
CountyRavalli County
StateMontana
Coordinates46.10143, -114.26232
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (1979)
Projected traffic21 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 Lost Horse CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is No Data Entered over Lost Horse CR 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 October 2024.

How much traffic does No Data Entered over Lost Horse CR carry?

About 14 vehicles per day (1979 count).

How long is No Data Entered over Lost Horse CR?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 15 ft wide.

Who owns No Data Entered over Lost Horse CR?

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