US Bridges

US 218 over I 90

Fair

Mower County, Minnesota · At the W JCT TH 218 · Structure no. 50803

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
4 main spans
Daily traffic
6,600
2016 count
Owner
State
State Highway Agency

About this bridge

US 218 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying US 218 over I 90 in Mower County, Minnesota. It was built in 1966, so it is 59 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 6,600 vehicles a day, roughly 9% of them trucks, projected to reach 6,600 by 2039. The structure is 192 ft (58.4 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 218
CrossesI 90
LocationAt the W JCT TH 218
RouteU.S. Route 218
CountyMower County
StateMinnesota
Coordinates43.68067, -92.99361
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.9 US tons
Inventory rating35.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length192 ft (58.4 m)
Longest span56 ft (17 m)
Deck width45 ft (13.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2016)
Projected traffic6,600 by 2039
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 218 over I 90 built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 218 over I 90 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 US 218 over I 90 carry?

About 6,600 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is US 218 over I 90?

The structure is 192 ft (58.4 m) long with a longest span of 56 ft (17 m) and a deck 45 ft wide.

Who owns US 218 over I 90?

It is owned by the State Highway Agency.