US Bridges

County Road 141 over S Fk Sandstone Creek 048

Good

Fallon County, Montana · 8M SE Plevna · Structure no. L13323001+01001

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 141 over S Fk Sandstone Creek 048 is a concrete culvert carrying County Road 141 over S Fk Sandstone Creek 048 in Fallon County, Montana. It was built in 2012, so it is 13 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 141
CrossesS Fk Sandstone Creek 048
Location8M SE Plevna
RouteCounty Highway 13141
StateMontana
Coordinates46.32674, -104.46949
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed6.2 mi (10 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$102,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 141 over S Fk Sandstone Creek 048 built?

It was built in 2012, making it 13 years old in 2025.

What condition is County Road 141 over S Fk Sandstone Creek 048 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does County Road 141 over S Fk Sandstone Creek 048 carry?

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

How long is County Road 141 over S Fk Sandstone Creek 048?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns County Road 141 over S Fk Sandstone Creek 048?

It is owned by the County Highway Agency.