US Bridges

County Road 334 over Usbr Main Canal 077

Fair

Richland County, Montana · 4M SW Savage · Structure no. L42334003+01001

Built
2008
17 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 334 over Usbr Main Canal 077 is a prestressed concrete tee beam carrying County Road 334 over Usbr Main Canal 077 in Richland County, Montana. It was built in 2008, so it is 17 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 103 ft (31.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 334
CrossesUsbr Main Canal 077
Location4M SW Savage
RouteCounty Highway 42334
CountyRichland County
StateMontana
Coordinates47.40253, -104.38091
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length103 ft (31.5 m)
Longest span96 ft (29.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 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 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$239,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 334 over Usbr Main Canal 077 built?

It was built in 2008, making it 17 years old in 2025.

What condition is County Road 334 over Usbr Main Canal 077 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does County Road 334 over Usbr Main Canal 077 carry?

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

How long is County Road 334 over Usbr Main Canal 077?

The structure is 103 ft (31.5 m) long with a longest span of 96 ft (29.4 m) and a deck 30 ft wide.

Who owns County Road 334 over Usbr Main Canal 077?

It is owned by the County Highway Agency.