US Bridges

Corporation RD over Two Leggin`s Creek 035

Fair

Big Horn County, Montana · 7M SW Hardin · Structure no. L02318001+08001

Built
1991
34 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Corporation RD over Two Leggin`s Creek 035 is a steel culvert carrying Corporation RD over Two Leggin`s Creek 035 in Big Horn County, Montana. It was built in 1991, so it is 34 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 26 ft (7.9 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesCorporation RD
CrossesTwo Leggin`s Creek 035
Location7M SW Hardin
RouteCounty Highway 2318
StateMontana
Coordinates45.63783, -107.69656
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating92 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed34.8 mi (56 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 Corporation RD over Two Leggin`s Creek 035 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Corporation RD over Two Leggin`s Creek 035 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 Corporation RD over Two Leggin`s Creek 035 carry?

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

How long is Corporation RD over Two Leggin`s Creek 035?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Corporation RD over Two Leggin`s Creek 035?

It is owned by the County Highway Agency.