US Bridges

I 90 over TH 52

Fair

Olmsted County, Minnesota · At JCT TH 52 · Structure no. 55809

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
287 ft
4 main spans
Daily traffic
2,700
2014 count
Owner
State
State Highway Agency

About this bridge

I 90 over TH 52 is a prestressed concrete stringer/multi-beam or girder carrying I 90 over TH 52 in Olmsted County, Minnesota. It was built in 1969, so it is 56 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 2,700 vehicles a day, roughly 38% of them trucks, projected to reach 2,700 by 2039. The structure is 287 ft (87.6 m) long and 51 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesI 90
CrossesTH 52
LocationAt JCT TH 52
RouteInterstate 90
Coordinates43.95109, -92.35822
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating34.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length287 ft (87.6 m)
Longest span74 ft (22.6 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2014)
Projected traffic2,700 by 2039
Trucks38%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed18 mi (29 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over TH 52 built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 90 over TH 52 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 2024.

How much traffic does I 90 over TH 52 carry?

About 2,700 vehicles per day (2014 count), of which roughly 38% are trucks.

How long is I 90 over TH 52?

The structure is 287 ft (87.6 m) long with a longest span of 74 ft (22.6 m) and a deck 51 ft wide.

Who owns I 90 over TH 52?

It is owned by the State Highway Agency.