US Bridges

Powderville RD over Spring Creek 019

Fair

Custer County, Montana · 51M S Miles City · Structure no. L09203020+06001

Built
1912
113 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
47
2023 count
Owner
County
County Highway Agency

About this bridge

Powderville RD over Spring Creek 019 is a steel stringer/multi-beam or girder carrying Powderville RD over Spring Creek 019 in Custer County, Montana. It was built in 1912, so it is 113 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 47 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2043. The structure is 25 ft (7.5 m) long and 20 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

Location

Open in Google Maps
CarriesPowderville RD
CrossesSpring Creek 019
Location51M S Miles City
RouteCounty Highway 9203
CountyCuster County
StateMontana
Coordinates45.87186, -105.28431
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span23 ft (7 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 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 closed55.3 mi (89 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Powderville RD over Spring Creek 019 built?

It was built in 1912, making it 113 years old in 2025.

What condition is Powderville RD over Spring Creek 019 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 Spring Creek 019 carry?

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

How long is Powderville RD over Spring Creek 019?

The structure is 25 ft (7.5 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Powderville RD over Spring Creek 019?

It is owned by the County Highway Agency.