US Bridges

Powderville RD over Pumpkin Creek 002

Fair

Custer County, Montana · 31M S Miles City · Structure no. L09203000+05001

Built
1981
44 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
47
2023 count
Owner
County
County Highway Agency

About this bridge

Powderville RD over Pumpkin Creek 002 is a steel stringer/multi-beam or girder carrying Powderville RD over Pumpkin Creek 002 in Custer County, Montana. It was built in 1981, so it is 44 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 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 47 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2043. The structure is 45 ft (13.6 m) long and 24 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesPowderville RD
CrossesPumpkin Creek 002
Location31M S Miles City
RouteCounty Highway 9203
CountyCuster County
StateMontana
Coordinates46.05471, -105.56237
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.
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 inspectionApril 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$96,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Powderville RD over Pumpkin Creek 002 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Powderville RD over Pumpkin Creek 002 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 Pumpkin Creek 002 carry?

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

How long is Powderville RD over Pumpkin Creek 002?

The structure is 45 ft (13.6 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns Powderville RD over Pumpkin Creek 002?

It is owned by the County Highway Agency.