US Bridges

Bagan RD over Fort Belknap Canal 061

Good

Blaine County, Montana · 4M E Chinook · Structure no. L03002000+06001

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
59
2023 count
Owner
County
County Highway Agency

About this bridge

Bagan RD over Fort Belknap Canal 061 is a aluminum, wrought iron, or cast iron culvert carrying Bagan RD over Fort Belknap Canal 061 in Blaine County, Montana. It was built in 2010, so it is 15 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 59 vehicles a day, roughly 3% of them trucks, projected to reach 62 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 32.9 mi (53 km).

CarriesBagan RD
CrossesFort Belknap Canal 061
Location4M E Chinook
RouteCounty Highway 3002
StateMontana
Coordinates48.59946, -109.15522
Functional classRural Minor Collector

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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2023)
Projected traffic62 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Bagan RD over Fort Belknap Canal 061 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Bagan RD over Fort Belknap Canal 061 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 Bagan RD over Fort Belknap Canal 061 carry?

About 59 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bagan RD over Fort Belknap Canal 061?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m).

Who owns Bagan RD over Fort Belknap Canal 061?

It is owned by the County Highway Agency.