US Bridges

US 218 over I 90

Poor

Mower County, Minnesota · At the E JCT TH 218 · Structure no. 9201

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
181 ft
4 main spans
Daily traffic
3,900
2019 count
Owner
State
State Highway Agency

About this bridge

US 218 over I 90 is a steel continuous stringer/multi-beam or girder carrying US 218 over I 90 in Mower County, Minnesota. It was built in 1959, so it is 66 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,900 vehicles a day, roughly 15% of them trucks, projected to reach 6,200 by 2039. The structure is 181 ft (55.1 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesUS 218
CrossesI 90
LocationAt the E JCT TH 218
RouteU.S. Route 218
CountyMower County
StateMinnesota
Coordinates43.67403, -92.93938
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length181 ft (55.1 m)
Longest span55 ft (16.9 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2019)
Projected traffic6,200 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.1 mi (13 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$246 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 218 over I 90 built?

It was built in 1959, making it 66 years old in 2025.

What condition is US 218 over I 90 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does US 218 over I 90 carry?

About 3,900 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is US 218 over I 90?

The structure is 181 ft (55.1 m) long with a longest span of 55 ft (16.9 m) and a deck 37 ft wide.

Who owns US 218 over I 90?

It is owned by the State Highway Agency.