US Bridges

Mn 68 over Stream

Good

Lyon County, Minnesota · 6.0 MI NW of JCT US 59 · Structure no. 42X09

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
3,810
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 68 over Stream is a concrete culvert carrying Mn 68 over Stream in Lyon County, Minnesota. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,810 vehicles a day, roughly 12% of them trucks, projected to reach 3,810 by 2041. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesMn 68
CrossesStream
Location6.0 MI NW of JCT US 59
RouteState Highway 68
CountyLyon County
StateMinnesota
Coordinates44.51091, -95.88773
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.3 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 traffic3,810 (2021)
Projected traffic3,810 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 68 over Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mn 68 over Stream 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 November 2024.

How much traffic does Mn 68 over Stream carry?

About 3,810 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Mn 68 over Stream?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 68 over Stream?

It is owned by the State Highway Agency.