US Bridges

E Lake RD over Lone Man Coulee

FairPosted for load

Pondera County, Montana · 6M SE Valier · Structure no. L37002006+02001

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
2 main spans
Daily traffic
77
2023 count
Owner
County
County Highway Agency

About this bridge

E Lake RD over Lone Man Coulee is a wood or timber stringer/multi-beam or girder carrying E Lake RD over Lone Man Coulee in Pondera County, Montana. It was built in 1975, so it is 50 years old, older 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. Its operating status is: posted for load restriction.

It carries about 77 vehicles a day, roughly 3% of them trucks, projected to reach 81 by 2043. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesE Lake RD
CrossesLone Man Coulee
Location6M SE Valier
RouteCounty Highway 37002
CountyPondera County
StateMontana
Coordinates48.23647, -112.2323
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2023)
Projected traffic81 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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 Lake RD over Lone Man Coulee built?

It was built in 1975, making it 50 years old in 2025.

What condition is E Lake RD over Lone Man Coulee 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 December 2023.

How much traffic does E Lake RD over Lone Man Coulee carry?

About 77 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E Lake RD over Lone Man Coulee?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns E Lake RD over Lone Man Coulee?

It is owned by the County Highway Agency.