US Bridges

Liberty RD over Vandalia South Canal 097

Fair

Valley County, Montana · 10M NW Glasgow · Structure no. L53510001+06001

Built
2013
12 years old
Condition
Fair
inspected November 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
22 ft
1 main span
Daily traffic
61
2023 count
Owner
County
County Highway Agency

About this bridge

Liberty RD over Vandalia South Canal 097 is a aluminum, wrought iron, or cast iron culvert carrying Liberty RD over Vandalia South Canal 097 in Valley County, Montana. It was built in 2013, so it is 12 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 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 61 vehicles a day, roughly 3% of them trucks, projected to reach 64 by 2043. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLiberty RD
CrossesVandalia South Canal 097
Location10M NW Glasgow
RouteCounty Highway 53407
StateMontana
Coordinates48.263, -106.80644
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2023)
Projected traffic64 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Liberty RD over Vandalia South Canal 097 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Liberty RD over Vandalia South Canal 097 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 2024.

How much traffic does Liberty RD over Vandalia South Canal 097 carry?

About 61 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Liberty RD over Vandalia South Canal 097?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m).

Who owns Liberty RD over Vandalia South Canal 097?

It is owned by the County Highway Agency.