US Bridges

I 35 over CO Ditch # 10

Fair

Freeborn County, Minnesota · 0.5 MI N of Iowa ST Line · Structure no. 91212

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
18,156
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over CO Ditch # 10 is a concrete culvert carrying I 35 over CO Ditch # 10 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 18,156 vehicles a day, roughly 28% of them trucks, projected to reach 20,800 by 2042. The structure is 28 ft (8.4 m) long.

CarriesI 35
CrossesCO Ditch # 10
Location0.5 MI N of Iowa ST Line
RouteInterstate 35
Coordinates43.50589, -93.35499
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
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 loadHS 20
Structure length28 ft (8.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,156 (2022)
Projected traffic20,800 by 2042
Trucks28%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 35 over CO Ditch # 10 built?

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

What condition is I 35 over CO Ditch # 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 August 2023.

How much traffic does I 35 over CO Ditch # 10 carry?

About 18,156 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is I 35 over CO Ditch # 10?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.5 m).

Who owns I 35 over CO Ditch # 10?

It is owned by the State Highway Agency.