US Bridges

Mn 19 over Stream

Fair

Lyon County, Minnesota · 8.6 MI W of Marshall · Structure no. 3121

Built
1919
106 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,450
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 19 over Stream is a concrete culvert carrying Mn 19 over Stream in Lyon County, Minnesota. It was built in 1919, so it is 106 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,450 vehicles a day, roughly 12% of them trucks, projected to reach 1,600 by 2038. The structure is 23 ft (7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesMn 19
CrossesStream
Location8.6 MI W of Marshall
RouteState Highway 19
CountyLyon County
StateMinnesota
Coordinates44.44355, -95.96294
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2018)
Projected traffic1,600 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$70 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 19 over Stream built?

It was built in 1919, making it 106 years old in 2025.

What condition is Mn 19 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Mn 19 over Stream carry?

About 1,450 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Mn 19 over Stream?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Mn 19 over Stream?

It is owned by the State Highway Agency.