US Bridges

Mn 89 over Ditch

Good

Marshall County, Minnesota · 9.4 MI S of Wannaska · Structure no. 45X05

Built
2007
18 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
435
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 89 over Ditch is a concrete culvert carrying Mn 89 over Ditch in Marshall County, Minnesota. It was built in 2007, so it is 18 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 435 vehicles a day, roughly 2% of them trucks, projected to reach 450 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMn 89
CrossesDitch
Location9.4 MI S of Wannaska
RouteState Highway 89
Coordinates48.52548, -95.73162
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 length25 ft (7.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2018)
Projected traffic450 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 89 over Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mn 89 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 September 2021.

How much traffic does Mn 89 over Ditch carry?

About 435 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Mn 89 over Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3.1 m).

Who owns Mn 89 over Ditch?

It is owned by the State Highway Agency.