US Bridges

I 90 over Cedar River

Fair

Mower County, Minnesota · 0.8 MI E of W JCT TH 218 · Structure no. 6868

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
3 main spans
Daily traffic
11,649
2021 count
Owner
State
State Highway Agency

About this bridge

I 90 over Cedar River is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Cedar River in Mower County, Minnesota. It was built in 1958, so it is 67 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 11,649 vehicles a day, roughly 11% of them trucks, projected to reach 11,850 by 2041. The structure is 175 ft (53.3 m) long and 53 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 90
CrossesCedar River
Location0.8 MI E of W JCT TH 218
RouteInterstate 90
CountyMower County
StateMinnesota
Coordinates43.68067, -92.97496
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating68.3 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length175 ft (53.3 m)
Longest span59 ft (18 m)
Deck width53 ft (16.2 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,649 (2021)
Projected traffic11,850 by 2041
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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 Cedar River built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 90 over Cedar 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 September 2023.

How much traffic does I 90 over Cedar River carry?

About 11,649 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is I 90 over Cedar River?

The structure is 175 ft (53.3 m) long with a longest span of 59 ft (18 m) and a deck 53 ft wide.

Who owns I 90 over Cedar River?

It is owned by the State Highway Agency.