US Bridges

Bootlegger RD over Pondera Coulee

Fair

Liberty County, Montana · 30M E Conrad · Structure no. S00225049+01461

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
18
2023 count
Owner
County
County Highway Agency

About this bridge

Bootlegger RD over Pondera Coulee is a prestressed concrete tee beam carrying Bootlegger RD over Pondera Coulee in Liberty County, Montana. It was built in 1984, so it is 41 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 18 vehicles a day, roughly 33% of them trucks, projected to reach 19 by 2043. The structure is 82 ft (25 m) long and 31 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesBootlegger RD
CrossesPondera Coulee
Location30M E Conrad
RouteCounty Highway 225
CountyLiberty County
StateMontana
Coordinates48.18954, -111.32677
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2023)
Projected traffic19 by 2043
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 Bootlegger RD over Pondera Coulee built?

It was built in 1984, making it 41 years old in 2025.

What condition is Bootlegger RD over Pondera 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 June 2023.

How much traffic does Bootlegger RD over Pondera Coulee carry?

About 18 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Bootlegger RD over Pondera Coulee?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Bootlegger RD over Pondera Coulee?

It is owned by the County Highway Agency.