US Bridges

I 35 over Ditch

Fair

Freeborn County, Minnesota · 4.5 MI N of JCT TH 251 · Structure no. 91095

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
20,576
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over Ditch is a concrete culvert carrying I 35 over Ditch in Freeborn County, Minnesota. It was built in 1965, so it is 60 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 20,576 vehicles a day, roughly 21% of them trucks, projected to reach 20,000 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI 35
CrossesDitch
Location4.5 MI N of JCT TH 251
RouteInterstate 35
CountyFreeborn County
StateMinnesota
Coordinates43.82191, -93.28883
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,576 (2022)
Projected traffic20,000 by 2042
Trucks21%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 35 over Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 35 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 September 2023.

How much traffic does I 35 over Ditch carry?

About 20,576 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is I 35 over Ditch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns I 35 over Ditch?

It is owned by the State Highway Agency.