US Bridges

Peebles RD over Teton River 064

Fair

Teton County, Montana · 10M NW Choteau · Structure no. L50185004+05001

Built
1973
52 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
143 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Peebles RD over Teton River 064 is a prestressed concrete tee beam carrying Peebles RD over Teton River 064 in Teton County, Montana. It was built in 1973, so it is 52 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.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 143 ft (43.6 m) long and 24 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesPeebles RD
CrossesTeton River 064
Location10M NW Choteau
RouteCounty Highway 50185
StateMontana
Coordinates47.87889, -112.45954
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span71 ft (21.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 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 closed16.2 mi (26 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 Peebles RD over Teton River 064 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Peebles RD over Teton River 064 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 Peebles RD over Teton River 064 carry?

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

How long is Peebles RD over Teton River 064?

The structure is 143 ft (43.6 m) long with a longest span of 71 ft (21.6 m) and a deck 24 ft wide.

Who owns Peebles RD over Teton River 064?

It is owned by the County Highway Agency.