US Bridges

Ut 31 over State Ditch 72

Good

Roseau County, Minnesota · 0.1 MI E of CO Line · Structure no. 68J26

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
39
2009 count
Owner
County
County Highway Agency

About this bridge

Ut 31 over State Ditch 72 is a concrete culvert carrying Ut 31 over State Ditch 72 in Roseau County, Minnesota. It was built in 2012, so it is 13 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39 vehicles a day, projected to reach 39 by 2030. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUt 31
CrossesState Ditch 72
Location0.1 MI E of CO Line
RouteCounty Highway 31
Coordinates48.84894, -96.40473
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2009)
Projected traffic39 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Ut 31 over State Ditch 72 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ut 31 over State Ditch 72 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 October 2023.

How much traffic does Ut 31 over State Ditch 72 carry?

About 39 vehicles per day (2009 count).

How long is Ut 31 over State Ditch 72?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Ut 31 over State Ditch 72?

It is owned by the County Highway Agency.