US Bridges

Yantic RD over Fort Belknap Canal 003

Good

Blaine County, Montana · 3M NE Lohman · Structure no. L03052002+01001

Built
2012
13 years old
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
65 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Yantic RD over Fort Belknap Canal 003 is a steel culvert carrying Yantic RD over Fort Belknap Canal 003 in Blaine County, Montana. It was built in 2012, so it is 13 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 40 vehicles a day, roughly 3% of them trucks, projected to reach 42 by 2043. The structure is 65 ft (19.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesYantic RD
CrossesFort Belknap Canal 003
Location3M NE Lohman
RouteCounty Highway 3008
StateMontana
Coordinates48.61844, -109.36666
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length65 ft (19.7 m)
Longest span65 ft (19.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic42 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Yantic RD over Fort Belknap Canal 003 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Yantic RD over Fort Belknap Canal 003 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 February 2023.

How much traffic does Yantic RD over Fort Belknap Canal 003 carry?

About 40 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Yantic RD over Fort Belknap Canal 003?

The structure is 65 ft (19.7 m) long with a longest span of 65 ft (19.7 m).

Who owns Yantic RD over Fort Belknap Canal 003?

It is owned by the County Highway Agency.