US Bridges

Conner Cutoff RD over E Fork Bitterroot R 050

Fair

Ravalli County, Montana · E of Conner · Structure no. L41700000+02001

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Conner Cutoff RD over E Fork Bitterroot R 050 is a prestressed concrete stringer/multi-beam or girder carrying Conner Cutoff RD over E Fork Bitterroot R 050 in Ravalli County, Montana. It was built in 1962, so it is 63 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 198 ft (60.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesConner Cutoff RD
CrossesE Fork Bitterroot R 050
LocationE of Conner
RouteCounty Highway 41700
StateMontana
Coordinates45.93055, -114.12238
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.3 m)
Longest span67 ft (20.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Conner Cutoff RD over E Fork Bitterroot R 050 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Conner Cutoff RD over E Fork Bitterroot R 050 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 July 2023.

How much traffic does Conner Cutoff RD over E Fork Bitterroot R 050 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Conner Cutoff RD over E Fork Bitterroot R 050?

The structure is 198 ft (60.3 m) long with a longest span of 67 ft (20.4 m) and a deck 31 ft wide.

Who owns Conner Cutoff RD over E Fork Bitterroot R 050?

It is owned by the County Highway Agency.