US Bridges

I 90 over Csah 10

Fair

Olmsted County, Minnesota · 3.7 MI W of JCT TH 74 · Structure no. 55816

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
8,233
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Csah 10 is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Csah 10 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 8,233 vehicles a day, roughly 37% of them trucks, projected to reach 7,900 by 2042. The structure is 201 ft (61.3 m) long and 45 ft wide.

CarriesI 90
CrossesCsah 10
Location3.7 MI W of JCT TH 74
RouteInterstate 90
Coordinates43.95478, -92.13904
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.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.7 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length201 ft (61.3 m)
Longest span87 ft (26.5 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,233 (2022)
Projected traffic7,900 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over Csah 10 built?

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

What condition is I 90 over Csah 10 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 Csah 10 carry?

About 8,233 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is I 90 over Csah 10?

The structure is 201 ft (61.3 m) long with a longest span of 87 ft (26.5 m) and a deck 45 ft wide.

Who owns I 90 over Csah 10?

It is owned by the State Highway Agency.