US Bridges

Sherman RD over Teton River 060

FairPosted for load

Teton County, Montana · 1M W Choteau · Structure no. L50184000+08001

Built
1938
87 years old, rebuilt 1976
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
96 ft
5 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Sherman RD over Teton River 060 is a wood or timber stringer/multi-beam or girder carrying Sherman RD over Teton River 060 in Teton County, Montana. It was built in 1938 and reconstructed in 1976, so it is 87 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 5 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 96 ft (29.3 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSherman RD
CrossesTeton River 060
Location1M W Choteau
RouteCounty Highway 50217
StateMontana
Coordinates47.81001, -112.20882
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating16 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadUnknown
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 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 closed123.7 mi (199 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 Sherman RD over Teton River 060 built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1976.

What condition is Sherman RD over Teton River 060 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 March 2023.

How much traffic does Sherman RD over Teton River 060 carry?

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

How long is Sherman RD over Teton River 060?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 21 ft wide.

Who owns Sherman RD over Teton River 060?

It is owned by the County Highway Agency.