US Bridges

No Data Entered over E F Bitterroot

Fair

Ravalli County, Montana · No Data Entered · Structure no. 010303000000045

Built
1947
78 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
50
1977 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over E F Bitterroot is a steel stringer/multi-beam or girder carrying No Data Entered over E F Bitterroot in Ravalli County, Montana. It was built in 1947, so it is 78 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 6 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 78 ft (23.7 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesE F Bitterroot
LocationNo Data Entered
RouteFederal Lands Road 432
CountyRavalli County
StateMontana
Coordinates45.92233, -113.72859
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span38 ft (11.6 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1977)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-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 No Data Entered over E F Bitterroot built?

It was built in 1947, making it 78 years old in 2025.

What condition is No Data Entered over E F Bitterroot 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 May 2023.

How much traffic does No Data Entered over E F Bitterroot carry?

About 50 vehicles per day (1977 count).

How long is No Data Entered over E F Bitterroot?

The structure is 78 ft (23.7 m) long with a longest span of 38 ft (11.6 m) and a deck 15 ft wide.

Who owns No Data Entered over E F Bitterroot?

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