US Bridges

Mn 19 over Three Mile Creek

Fair

Lyon County, Minnesota · 7.0 MI W of Marshall · Structure no. 3711

Built
1937
88 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,450
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 19 over Three Mile Creek is a concrete culvert carrying Mn 19 over Three Mile Creek in Lyon County, Minnesota. It was built in 1937, so it is 88 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 6 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 33 ft (10 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMn 19
CrossesThree Mile Creek
Location7.0 MI W of Marshall
RouteState Highway 19
Coordinates44.44336, -95.93165
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadH 15
Structure length33 ft (10 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$78 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 19 over Three Mile Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Mn 19 over Three Mile Creek 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 October 2024.

How much traffic does Mn 19 over Three Mile Creek carry?

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

How long is Mn 19 over Three Mile Creek?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).

Who owns Mn 19 over Three Mile Creek?

It is owned by the State Highway Agency.