US Bridges

Mn 19 over Redwood River

Fair

Lyon County, Minnesota · 0.2 MI NE of JCT TH 59 · Structure no. 5083

Built
1931
94 years old
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Concrete
Length
108 ft
2 main spans
Daily traffic
8,800
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 19 over Redwood River is a concrete girder and floorbeam system carrying Mn 19 over Redwood River in Lyon County, Minnesota. It was built in 1931, so it is 94 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 8,800 vehicles a day, roughly 2% of them trucks, projected to reach 8,800 by 2036. The structure is 108 ft (33 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMn 19
CrossesRedwood River
Location0.2 MI NE of JCT TH 59
RouteState Highway 19
CountyLyon County
StateMinnesota
Coordinates44.4493, -95.78551
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length108 ft (33 m)
Longest span37 ft (11.4 m)
Deck width55 ft (16.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2016)
Projected traffic8,800 by 2036
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$438 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 19 over Redwood River built?

It was built in 1931, making it 94 years old in 2025.

What condition is Mn 19 over Redwood River 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 River carry?

About 8,800 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Mn 19 over Redwood River?

The structure is 108 ft (33 m) long with a longest span of 37 ft (11.4 m) and a deck 55 ft wide.

Who owns Mn 19 over Redwood River?

It is owned by the State Highway Agency.