US Bridges

I 90 over Ditch

Fair

Freeborn County, Minnesota · 0.3 MI W of JCT TH 13 · Structure no. 24816

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
5 main spans
Daily traffic
4,355
2021 count
Owner
State
State Highway Agency

About this bridge

I 90 over Ditch is a steel continuous stringer/multi-beam or girder carrying I 90 over Ditch in Freeborn County, Minnesota. It was built in 1970, so it is 55 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 4,355 vehicles a day, roughly 28% of them trucks, projected to reach 4,400 by 2041. The structure is 312 ft (95.1 m) long and 45 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesI 90
CrossesDitch
Location0.3 MI W of JCT TH 13
RouteInterstate 90
CountyFreeborn County
StateMinnesota
Coordinates43.68462, -93.4234
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span68 ft (20.7 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,355 (2021)
Projected traffic4,400 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 over Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is I 90 over Ditch 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 August 2023.

How much traffic does I 90 over Ditch carry?

About 4,355 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I 90 over Ditch?

The structure is 312 ft (95.1 m) long with a longest span of 68 ft (20.7 m) and a deck 45 ft wide.

Who owns I 90 over Ditch?

It is owned by the State Highway Agency.