US Bridges

I 35 over Ditch

Fair

Steele County, Minnesota · 4.0 MI N of JCT TH 30 · Structure no. 91086

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
21,305
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over Ditch is a concrete culvert carrying I 35 over Ditch in Steele County, Minnesota. It was built in 1964, so it is 61 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 21,305 vehicles a day, roughly 26% of them trucks, projected to reach 21,100 by 2042. The structure is 33 ft (10 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI 35
CrossesDitch
Location4.0 MI N of JCT TH 30
RouteInterstate 35
CountySteele County
StateMinnesota
Coordinates43.92737, -93.27647
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 inspectionJuly 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 spans3
Design loadH 20
Structure length33 ft (10 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 traffic21,305 (2022)
Projected traffic21,100 by 2042
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1964, making it 61 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 July 2023.

How much traffic does I 35 over Ditch carry?

About 21,305 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I 35 over Ditch?

The structure is 33 ft (10 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.