US Bridges

Old Stage RD over Beaverhead River 047

Fair

Beaverhead County, Montana · E Barretts Int · Structure no. L01243000+02001

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
298
2023 count
Owner
County
County Highway Agency

About this bridge

Old Stage RD over Beaverhead River 047 is a prestressed concrete stringer/multi-beam or girder carrying Old Stage RD over Beaverhead River 047 in Beaverhead County, Montana. It was built in 1995, so it is 30 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 298 vehicles a day, roughly 3% of them trucks, projected to reach 319 by 2043. The structure is 101 ft (30.9 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesOld Stage RD
CrossesBeaverhead River 047
LocationE Barretts Int
RouteCounty Highway 1243
StateMontana
Coordinates45.13064, -112.74015
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span50 ft (15.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2023)
Projected traffic319 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Old Stage RD over Beaverhead River 047 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Old Stage RD over Beaverhead River 047 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 Old Stage RD over Beaverhead River 047 carry?

About 298 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Old Stage RD over Beaverhead River 047?

The structure is 101 ft (30.9 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Old Stage RD over Beaverhead River 047?

It is owned by the County Highway Agency.