US Bridges

Westmore RD over Sandstone Creek 024

Fair

Fallon County, Montana · 11M NW Plevna · Structure no. L13600004+07001

Built
2016
9 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Westmore RD over Sandstone Creek 024 is a concrete culvert carrying Westmore RD over Sandstone Creek 024 in Fallon County, Montana. It was built in 2016, so it is 9 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 30 vehicles a day, roughly 3% of them trucks, projected to reach 32 by 2043. The structure is 50 ft (15.1 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesWestmore RD
CrossesSandstone Creek 024
Location11M NW Plevna
RouteCounty Highway 13001
CountyFallon County
StateMontana
Coordinates46.47241, -104.64957
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length50 ft (15.1 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic32 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$195,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Westmore RD over Sandstone Creek 024 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Westmore RD over Sandstone Creek 024 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 2023.

How much traffic does Westmore RD over Sandstone Creek 024 carry?

About 30 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Westmore RD over Sandstone Creek 024?

The structure is 50 ft (15.1 m) long with a longest span of 17 ft (5.2 m).

Who owns Westmore RD over Sandstone Creek 024?

It is owned by the County Highway Agency.