US Bridges

Mn 68 over Stream

Good

Lyon County, Minnesota · 0.6 MI SE of Taunton · Structure no. 42011

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
1,528
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 68 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Mn 68 over Stream in Lyon County, Minnesota. It was built in 1986, so it is 39 years old, older 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 1,528 vehicles a day, roughly 16% of them trucks, projected to reach 1,850 by 2042. The structure is 109 ft (33.2 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMn 68
CrossesStream
Location0.6 MI SE of Taunton
RouteState Highway 68
Coordinates44.5876, -96.05289
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.3 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span104 ft (31.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,528 (2022)
Projected traffic1,850 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 68 over Stream built?

It was built in 1986, making it 39 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 October 2023.

How much traffic does Mn 68 over Stream carry?

About 1,528 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Mn 68 over Stream?

The structure is 109 ft (33.2 m) long with a longest span of 104 ft (31.7 m) and a deck 42 ft wide.

Who owns Mn 68 over Stream?

It is owned by the State Highway Agency.