US Bridges

French LN over Poplar River Overflo 015

Fair

Daniels County, Montana · 4M NW Scobey · Structure no. L10200027+01001

Built
1978
47 years old, rebuilt 1982
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

French LN over Poplar River Overflo 015 is a concrete channel beam carrying French LN over Poplar River Overflo 015 in Daniels County, Montana. It was built in 1978 and reconstructed in 1982, so it is 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 106 by 2043. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesFrench LN
CrossesPoplar River Overflo 015
Location4M NW Scobey
RouteCounty Highway 10200
StateMontana
Coordinates48.82425, -105.4751
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating31.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic106 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 French LN over Poplar River Overflo 015 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1982.

What condition is French LN over Poplar River Overflo 015 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 January 2024.

How much traffic does French LN over Poplar River Overflo 015 carry?

About 100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is French LN over Poplar River Overflo 015?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns French LN over Poplar River Overflo 015?

It is owned by the County Highway Agency.