US Bridges

Bootlegger Trail over Teton River

Good

Chouteau County, Montana · 25M NE Dutton · Structure no. S00225029+06211

Built
1966
59 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
409 ft
6 main spans
Daily traffic
41
2023 count
Owner
County
County Highway Agency

About this bridge

Bootlegger Trail over Teton River is a prestressed concrete stringer/multi-beam or girder carrying Bootlegger Trail over Teton River in Chouteau County, Montana. It was built in 1966, so it is 59 years old, older 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 41 vehicles a day, roughly 32% of them trucks, projected to reach 43 by 2043. The structure is 409 ft (124.7 m) long and 34 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesBootlegger Trail
CrossesTeton River
Location25M NE Dutton
RouteCounty Highway 225
StateMontana
Coordinates47.90932, -111.32429
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating17 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length409 ft (124.7 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2023)
Projected traffic43 by 2043
Trucks32%
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 Trail over Teton River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Bootlegger Trail over Teton 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 April 2024.

How much traffic does Bootlegger Trail over Teton River carry?

About 41 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Bootlegger Trail over Teton River?

The structure is 409 ft (124.7 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns Bootlegger Trail over Teton River?

It is owned by the County Highway Agency.