US Bridges

N Valley Creek RD over Jocko River 054

Fair

Lake County, Montana · 2M S Ravalli · Structure no. L24380000+01001

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
460
2023 count
Owner
County
County Highway Agency

About this bridge

N Valley Creek RD over Jocko River 054 is a prestressed concrete tee beam carrying N Valley Creek RD over Jocko River 054 in Lake County, Montana. It was built in 1970, so it is 55 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 460 vehicles a day, roughly 3% of them trucks, projected to reach 492 by 2043. The structure is 80 ft (24.4 m) long and 16 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesN Valley Creek RD
CrossesJocko River 054
Location2M S Ravalli
RouteCounty Highway 24319
StateMontana
Coordinates47.24707, -114.17077
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2023)
Projected traffic492 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 N Valley Creek RD over Jocko River 054 built?

It was built in 1970, making it 55 years old in 2025.

What condition is N Valley Creek RD over Jocko River 054 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 March 2023.

How much traffic does N Valley Creek RD over Jocko River 054 carry?

About 460 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is N Valley Creek RD over Jocko River 054?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 16 ft wide.

Who owns N Valley Creek RD over Jocko River 054?

It is owned by the County Highway Agency.