US Bridges

E Susag RD over Poplar River 039

Fair

Daniels County, Montana · 18M S Scobey · Structure no. L10400002+05001

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

E Susag RD over Poplar River 039 is a prestressed concrete tee beam carrying E Susag RD over Poplar River 039 in Daniels County, Montana. It was built in 2001, so it is 24 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesE Susag RD
CrossesPoplar River 039
Location18M S Scobey
RouteCounty Highway 10400
CountyDaniels County
StateMontana
Coordinates48.57771, -105.37428
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span96 ft (29.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 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 closed26.1 mi (42 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Susag RD over Poplar River 039 built?

It was built in 2001, making it 24 years old in 2025.

What condition is E Susag RD over Poplar River 039 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 August 2024.

How much traffic does E Susag RD over Poplar River 039 carry?

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

How long is E Susag RD over Poplar River 039?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.2 m) and a deck 30 ft wide.

Who owns E Susag RD over Poplar River 039?

It is owned by the County Highway Agency.