US Bridges

Randall Road over Two Leggins Canal

Good

Big Horn County, Montana · 3M SW Hardin · Structure no. 000000202402260

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Randall Road over Two Leggins Canal is a steel stringer/multi-beam or girder carrying Randall Road over Two Leggins Canal in Big Horn County, Montana. It was built in 2024, so it is 1 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 85 ft (25.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRandall Road
CrossesTwo Leggins Canal
Location3M SW Hardin
RouteCounty Highway 2309
StateMontana
Coordinates45.69441, -107.64763
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span0 ft (0 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 closed3.1 mi (5 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 Randall Road over Two Leggins Canal built?

It was built in 2024, making it 1 years old in 2025.

What condition is Randall Road over Two Leggins Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Randall Road over Two Leggins Canal carry?

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

How long is Randall Road over Two Leggins Canal?

The structure is 85 ft (25.9 m) long and a deck 24 ft wide.

Who owns Randall Road over Two Leggins Canal?

It is owned by the County Highway Agency.