US Bridges

County Road 131 over Usbr Main Canal 080

Good

Richland County, Montana · 3M SW Fairview · Structure no. L42223000+01001

Built
1998
27 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 131 over Usbr Main Canal 080 is a prestressed concrete tee beam carrying County Road 131 over Usbr Main Canal 080 in Richland County, Montana. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 55 ft (16.8 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road 131
CrossesUsbr Main Canal 080
Location3M SW Fairview
RouteCounty Highway 42223
StateMontana
Coordinates47.81278, -104.09014
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 131 over Usbr Main Canal 080 built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 131 over Usbr Main Canal 080 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 131 over Usbr Main Canal 080 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is County Road 131 over Usbr Main Canal 080?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns County Road 131 over Usbr Main Canal 080?

It is owned by the County Highway Agency.