US Bridges

RD 552 over Powder River 016

Fair

Powder River County, Montana · 2M E Powderville · Structure no. L38202022+08001

Built
2008
17 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
470 ft
4 main spans
Daily traffic
47
2023 count
Owner
County
County Highway Agency

About this bridge

RD 552 over Powder River 016 is a prestressed concrete stringer/multi-beam or girder carrying RD 552 over Powder River 016 in Powder River County, Montana. It was built in 2008, so it is 17 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 470 ft (143.4 m) long and 30 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

Location

Open in Google Maps
CarriesRD 552
CrossesPowder River 016
Location2M E Powderville
RouteCounty Highway 38202
CountyPowder River County
StateMontana
Coordinates45.75242, -105.08803
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length470 ft (143.4 m)
Longest span117 ft (35.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 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 closed52.8 mi (85 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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 552 over Powder River 016 built?

It was built in 2008, making it 17 years old in 2025.

What condition is RD 552 over Powder River 016 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 September 2023.

How much traffic does RD 552 over Powder River 016 carry?

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

How long is RD 552 over Powder River 016?

The structure is 470 ft (143.4 m) long with a longest span of 117 ft (35.8 m) and a deck 30 ft wide.

Who owns RD 552 over Powder River 016?

It is owned by the County Highway Agency.