US Bridges

I 90 over Des Moines R; RD

Fair

Jackson County, Minnesota · 1.1 MI W of JCT TH 71 · Structure no. 32808

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
299 ft
3 main spans
Daily traffic
3,409
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Des Moines R; RD is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Des Moines R; RD in Jackson County, Minnesota. It was built in 1971, so it is 54 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 3,409 vehicles a day, roughly 36% of them trucks, projected to reach 4,400 by 2042. The structure is 299 ft (91.2 m) long and 45 ft wide.

Location

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CarriesI 90
CrossesDes Moines R; RD
Location1.1 MI W of JCT TH 71
RouteInterstate 90
CountyJackson County
StateMinnesota
Coordinates43.63834, -95.01559
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating26.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length299 ft (91.2 m)
Longest span98 ft (29.9 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,409 (2022)
Projected traffic4,400 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 90 over Des Moines R; RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 90 over Des Moines R; RD 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 August 2024.

How much traffic does I 90 over Des Moines R; RD carry?

About 3,409 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I 90 over Des Moines R; RD?

The structure is 299 ft (91.2 m) long with a longest span of 98 ft (29.9 m) and a deck 45 ft wide.

Who owns I 90 over Des Moines R; RD?

It is owned by the State Highway Agency.