US Bridges

Powderville RD over Sand Creek 003

Fair

Custer County, Montana · 42M SE Miles City · Structure no. L09203011+08001

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
47
2023 count
Owner
County
County Highway Agency

About this bridge

Powderville RD over Sand Creek 003 is a steel stringer/multi-beam or girder carrying Powderville RD over Sand Creek 003 in Custer County, Montana. It was built in 1980, so it is 45 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 47 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2043. The structure is 40 ft (12.3 m) long and 20 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesPowderville RD
CrossesSand Creek 003
Location42M SE Miles City
RouteCounty Highway 9203
StateMontana
Coordinates45.94413, -105.41316
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2023)
Projected traffic50 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 Powderville RD over Sand Creek 003 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Powderville RD over Sand Creek 003 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 April 2023.

How much traffic does Powderville RD over Sand Creek 003 carry?

About 47 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Powderville RD over Sand Creek 003?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns Powderville RD over Sand Creek 003?

It is owned by the County Highway Agency.