US Bridges

Power RD over RR 076

Fair

Rosebud County, Montana · N Edge Colstrip · Structure no. L44984000+01001

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
269 ft
4 main spans
Daily traffic
948
2023 count
Owner
County
County Highway Agency

About this bridge

Power RD over RR 076 is a prestressed concrete stringer/multi-beam or girder carrying Power RD over RR 076 in Rosebud County, Montana. It was built in 1982, so it is 43 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 948 vehicles a day, roughly 3% of them trucks, projected to reach 1,010 by 2043. The structure is 269 ft (82 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPower RD
CrossesRR 076
LocationN Edge Colstrip
RouteCity Street 44984
StateMontana
Coordinates45.89374, -106.62847
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length269 ft (82 m)
Longest span67 ft (20.5 m)
Deck width47 ft (14.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic948 (2023)
Projected traffic1,010 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Power RD over RR 076 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Power RD over RR 076 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 July 2024.

How much traffic does Power RD over RR 076 carry?

About 948 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Power RD over RR 076?

The structure is 269 ft (82 m) long with a longest span of 67 ft (20.5 m) and a deck 47 ft wide.

Who owns Power RD over RR 076?

It is owned by the County Highway Agency.