US Bridges

Vanzandt RD over Two Leggin`s Canal 047

Good

Big Horn County, Montana · 1M W Hardin · Structure no. L02305000+07001

Built
1994
31 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
29
2023 count
Owner
County
County Highway Agency

About this bridge

Vanzandt RD over Two Leggin`s Canal 047 is a steel culvert carrying Vanzandt RD over Two Leggin`s Canal 047 in Big Horn County, Montana. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29 vehicles a day, roughly 3% of them trucks, projected to reach 31 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesVanzandt RD
CrossesTwo Leggin`s Canal 047
Location1M W Hardin
RouteCounty Highway 2305
StateMontana
Coordinates45.73859, -107.63726
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 rating34 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2023)
Projected traffic31 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Vanzandt RD over Two Leggin`s Canal 047 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Vanzandt RD over Two Leggin`s Canal 047 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 January 2024.

How much traffic does Vanzandt RD over Two Leggin`s Canal 047 carry?

About 29 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Vanzandt RD over Two Leggin`s Canal 047?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Vanzandt RD over Two Leggin`s Canal 047?

It is owned by the County Highway Agency.