US Bridges

Bergh RD over Wolf Creek 041

Fair

Sheridan County, Montana · 15M S Redstone · Structure no. L46409012+05001

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
27
2023 count
Owner
County
County Highway Agency

About this bridge

Bergh RD over Wolf Creek 041 is a prestressed concrete tee beam carrying Bergh RD over Wolf Creek 041 in Sheridan County, Montana. It was built in 1977, so it is 48 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.

It carries about 27 vehicles a day, roughly 3% of them trucks, projected to reach 28 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBergh RD
CrossesWolf Creek 041
Location15M S Redstone
RouteCounty Highway 46409
StateMontana
Coordinates48.62953, -104.88611
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 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 rating57 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2023)
Projected traffic28 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Bergh RD over Wolf Creek 041 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Bergh RD over Wolf Creek 041 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 February 2024.

How much traffic does Bergh RD over Wolf Creek 041 carry?

About 27 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bergh RD over Wolf Creek 041?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Bergh RD over Wolf Creek 041?

It is owned by the County Highway Agency.