US Bridges

I 90 over Cnw RY (aban)

Fair

Martin County, Minnesota · 0.1 MI W of JCT TH 15 · Structure no. 46818

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
3,209
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 over Cnw RY (aban) is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Cnw RY (aban) in Martin County, Minnesota. It was built in 1973, so it is 52 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 3,209 vehicles a day, roughly 37% of them trucks, projected to reach 4,500 by 2042. The structure is 150 ft (45.6 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesI 90
CrossesCnw RY (aban)
Location0.1 MI W of JCT TH 15
RouteInterstate 90
CountyMartin County
StateMinnesota
Coordinates43.67917, -94.45047
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating78.5 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.6 m)
Longest span49 ft (14.8 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,209 (2022)
Projected traffic4,500 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$505 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over Cnw RY (aban) built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 90 over Cnw RY (aban) 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 Cnw RY (aban) carry?

About 3,209 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is I 90 over Cnw RY (aban)?

The structure is 150 ft (45.6 m) long with a longest span of 49 ft (14.8 m) and a deck 45 ft wide.

Who owns I 90 over Cnw RY (aban)?

It is owned by the State Highway Agency.