US Bridges

Old Scobey RD over Poplar River

Good

Daniels County, Montana · 2M SW Scobey · Structure no. 000000202102611

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
163 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Old Scobey RD over Poplar River is a prestressed concrete tee beam carrying Old Scobey RD over Poplar River in Daniels County, Montana. It was built in 2021, so it is 4 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 163 ft (49.8 m) long and 31 ft wide.

CarriesOld Scobey RD
CrossesPoplar River
Location2M SW Scobey
RouteCounty Highway 10038
StateMontana
Coordinates48.7865, -105.4535
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length163 ft (49.8 m)
Longest span80 ft (24.5 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Old Scobey RD over Poplar River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Old Scobey RD over Poplar River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Old Scobey RD over Poplar River carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Old Scobey RD over Poplar River?

The structure is 163 ft (49.8 m) long with a longest span of 80 ft (24.5 m) and a deck 31 ft wide.

Who owns Old Scobey RD over Poplar River?

It is owned by the County Highway Agency.