US Bridges

County Road 134 over Usbr Main Canal 070

Good

Richland County, Montana · 1M SW Fairview · Structure no. 000000000004218

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Channel Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 134 over Usbr Main Canal 070 is a prestressed concrete channel beam carrying County Road 134 over Usbr Main Canal 070 in Richland County, Montana. It was built in 2016, so it is 9 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 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 134
CrossesUsbr Main Canal 070
Location1M SW Fairview
RouteCounty Highway 42212
StateMontana
Coordinates47.84553, -104.06053
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 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 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 134 over Usbr Main Canal 070 built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Road 134 over Usbr Main Canal 070 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 134 over Usbr Main Canal 070 carry?

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

How long is County Road 134 over Usbr Main Canal 070?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns County Road 134 over Usbr Main Canal 070?

It is owned by the County Highway Agency.