US Bridges

County Road 126 over Usbr Main Canal 054

Good

Richland County, Montana · 1M N Sidney · Structure no. L42204001+00001

Built
2013
12 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
1,907
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 126 over Usbr Main Canal 054 is a prestressed concrete tee beam carrying County Road 126 over Usbr Main Canal 054 in Richland 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 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 1,907 vehicles a day, roughly 1% of them trucks, projected to reach 2,002 by 2043. The structure is 66 ft (20 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 126
CrossesUsbr Main Canal 054
Location1M N Sidney
RouteCounty Highway 42204
CountyRichland County
StateMontana
Coordinates47.73233, -104.16964
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length66 ft (20 m)
Longest span63 ft (19.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,907 (2023)
Projected traffic2,002 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County Road 126 over Usbr Main Canal 054 built?

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

What condition is County Road 126 over Usbr Main Canal 054 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 County Road 126 over Usbr Main Canal 054 carry?

About 1,907 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is County Road 126 over Usbr Main Canal 054?

The structure is 66 ft (20 m) long with a longest span of 63 ft (19.2 m) and a deck 36 ft wide.

Who owns County Road 126 over Usbr Main Canal 054?

It is owned by the County Highway Agency.