US Bridges

Bjornberg Brdg RD over Milk River 036

Fair

Valley County, Montana · 11M NW Hinsdale · Structure no. L53017003+09001

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Bjornberg Brdg RD over Milk River 036 is a prestressed concrete stringer/multi-beam or girder carrying Bjornberg Brdg RD over Milk River 036 in Valley County, Montana. It was built in 1995, so it is 30 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 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 205 ft (62.5 m) long and 26 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesBjornberg Brdg RD
CrossesMilk River 036
Location11M NW Hinsdale
RouteCounty Highway 53200
StateMontana
Coordinates48.50761, -107.21764
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span76 ft (23.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 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 closed26.7 mi (43 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 Bjornberg Brdg RD over Milk River 036 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Bjornberg Brdg RD over Milk River 036 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 October 2024.

How much traffic does Bjornberg Brdg RD over Milk River 036 carry?

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

How long is Bjornberg Brdg RD over Milk River 036?

The structure is 205 ft (62.5 m) long with a longest span of 76 ft (23.3 m) and a deck 26 ft wide.

Who owns Bjornberg Brdg RD over Milk River 036?

It is owned by the County Highway Agency.