US Bridges

Mn 19 over Redwood R Diversion Chan

Fair

Lyon County, Minnesota · 1.3 MI SW of JCT TH 59 · Structure no. 42001

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
3 main spans
Daily traffic
2,900
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 19 over Redwood R Diversion Chan is a prestressed concrete stringer/multi-beam or girder carrying Mn 19 over Redwood R Diversion Chan in Lyon County, Minnesota. It was built in 1962, so it is 63 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 2,900 vehicles a day, roughly 7% of them trucks, projected to reach 2,900 by 2036. The structure is 131 ft (39.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMn 19
CrossesRedwood R Diversion Chan
Location1.3 MI SW of JCT TH 59
RouteState Highway 19
CountyLyon County
StateMinnesota
Coordinates44.44306, -95.81232
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.8 m)
Longest span44 ft (13.3 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2016)
Projected traffic2,900 by 2036
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$451 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 19 over Redwood R Diversion Chan built?

It was built in 1962, making it 63 years old in 2025.

What condition is Mn 19 over Redwood R Diversion Chan 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 2023.

How much traffic does Mn 19 over Redwood R Diversion Chan carry?

About 2,900 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Mn 19 over Redwood R Diversion Chan?

The structure is 131 ft (39.8 m) long with a longest span of 44 ft (13.3 m) and a deck 35 ft wide.

Who owns Mn 19 over Redwood R Diversion Chan?

It is owned by the State Highway Agency.