US Bridges

Mn 1 over Ditch

Good

Beltrami County, Minnesota · 10.9 MI W of N JCT TH 89 · Structure no. 04X02

Built
2009
16 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
44
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 1 over Ditch is a concrete culvert carrying Mn 1 over Ditch in Beltrami County, Minnesota. It was built in 2009, so it is 16 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 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 44 vehicles a day, roughly 23% of them trucks, projected to reach 45 by 2042. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesMn 1
CrossesDitch
Location10.9 MI W of N JCT TH 89
RouteState Highway 1
CountyBeltrami County
StateMinnesota
Coordinates48.12213, -95.48419
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic45 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 1 over Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Mn 1 over Ditch 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 2021.

How much traffic does Mn 1 over Ditch carry?

About 44 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Mn 1 over Ditch?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Mn 1 over Ditch?

It is owned by the State Highway Agency.