US Bridges

E Fork RD over E Fork Bitterroot R 009

FairPosted for load

Ravalli County, Montana · 14M NE Sula · Structure no. L41601014+01001

Built
1947
78 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
84 ft
1 main span
Daily traffic
309
2023 count
Owner
County
County Highway Agency

About this bridge

E Fork RD over E Fork Bitterroot R 009 is a steel girder and floorbeam system carrying E Fork RD over E Fork Bitterroot R 009 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 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 309 vehicles a day, roughly 3% of them trucks, projected to reach 331 by 2043. The structure is 84 ft (25.6 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesE Fork RD
CrossesE Fork Bitterroot R 009
Location14M NE Sula
RouteCounty Highway 41601
StateMontana
Coordinates45.90972, -113.7522
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2023)
Projected traffic331 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Fork RD over E Fork Bitterroot R 009 built?

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

What condition is E Fork RD over E Fork Bitterroot R 009 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 August 2023.

How much traffic does E Fork RD over E Fork Bitterroot R 009 carry?

About 309 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E Fork RD over E Fork Bitterroot R 009?

The structure is 84 ft (25.6 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns E Fork RD over E Fork Bitterroot R 009?

It is owned by the County Highway Agency.