US Bridges

Old Stage RD over Local Drainage 048

Fair

Beaverhead County, Montana · E Barretts Int · Structure no. L01243000+03001

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
298
2023 count
Owner
County
County Highway Agency

About this bridge

Old Stage RD over Local Drainage 048 is a steel stringer/multi-beam or girder carrying Old Stage RD over Local Drainage 048 in Beaverhead County, Montana. It was built in 1959, so it is 66 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.

It carries about 298 vehicles a day, roughly 3% of them trucks, projected to reach 319 by 2043. The structure is 27 ft (8.2 m) long and 18 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesOld Stage RD
CrossesLocal Drainage 048
LocationE Barretts Int
RouteCounty Highway 1243
StateMontana
Coordinates45.13014, -112.73945
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2023)
Projected traffic319 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Local Drainage 048 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Old Stage RD over Local Drainage 048 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 January 2024.

How much traffic does Old Stage RD over Local Drainage 048 carry?

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

How long is Old Stage RD over Local Drainage 048?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Old Stage RD over Local Drainage 048?

It is owned by the County Highway Agency.