US Bridges

Fdr 7391 over No Data Entered

FairPosted for load

Beaverhead County, Montana · No Data Entered · Structure no. 010202000001021

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
5
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 7391 over No Data Entered is a wood or timber stringer/multi-beam or girder carrying Fdr 7391 over No Data Entered in Beaverhead County, Montana. It was built in 1987, so it is 38 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 7 by 2045. The structure is 25 ft (7.7 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesFdr 7391
CrossesNo Data Entered
LocationNo Data Entered
RouteFederal Lands Road 7391
CountyBeaverhead County
StateMontana
Coordinates45.82236, -113.14783
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span24 ft (7.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (—)
Projected traffic7 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 Fdr 7391 over No Data Entered built?

It was built in 1987, making it 38 years old in 2025.

What condition is Fdr 7391 over No Data Entered 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 September 2024.

How much traffic does Fdr 7391 over No Data Entered carry?

About 5 vehicles per day (latest count).

How long is Fdr 7391 over No Data Entered?

The structure is 25 ft (7.7 m) long with a longest span of 24 ft (7.2 m) and a deck 16 ft wide.

Who owns Fdr 7391 over No Data Entered?

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