US Bridges

W Boehs RD over Two Leggin`s Canal 049

Fair

Big Horn County, Montana · 3M NW Hardin · Structure no. L02007001+00001

Built
1996
29 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

W Boehs RD over Two Leggin`s Canal 049 is a prestressed concrete tee beam carrying W Boehs RD over Two Leggin`s Canal 049 in Big Horn County, Montana. It was built in 1996, so it is 29 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesW Boehs RD
CrossesTwo Leggin`s Canal 049
Location3M NW Hardin
RouteCounty Highway 2007
StateMontana
Coordinates45.76816, -107.63472
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 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 closed6.2 mi (10 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 W Boehs RD over Two Leggin`s Canal 049 built?

It was built in 1996, making it 29 years old in 2025.

What condition is W Boehs RD over Two Leggin`s Canal 049 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 November 2023.

How much traffic does W Boehs RD over Two Leggin`s Canal 049 carry?

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

How long is W Boehs RD over Two Leggin`s Canal 049?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns W Boehs RD over Two Leggin`s Canal 049?

It is owned by the County Highway Agency.