US Bridges

County Road 326 over Fox Creek 009

Good

Richland County, Montana · 5M SW Sidney · Structure no. L42326000+02001

Built
1994
31 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
69
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 326 over Fox Creek 009 is a prestressed concrete tee beam carrying County Road 326 over Fox Creek 009 in Richland County, Montana. It was built in 1994, so it is 31 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 69 vehicles a day, roughly 3% of them trucks, projected to reach 73 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 326
CrossesFox Creek 009
Location5M SW Sidney
RouteCounty Highway 42326
StateMontana
Coordinates47.64226, -104.20682
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2023)
Projected traffic73 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 326 over Fox Creek 009 built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road 326 over Fox Creek 009 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 326 over Fox Creek 009 carry?

About 69 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Road 326 over Fox Creek 009?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns County Road 326 over Fox Creek 009?

It is owned by the County Highway Agency.