US Bridges

I 35 over Little Otter Creek

Fair

Carlton County, Minnesota · 2.5 MI S of JCT TH 210 · Structure no. 91081

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
9,950
2018 count
Owner
State
State Highway Agency

About this bridge

I 35 over Little Otter Creek is a concrete culvert carrying I 35 over Little Otter Creek in Carlton 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 9,950 vehicles a day, roughly 7% of them trucks, projected to reach 8,850 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 35
CrossesLittle Otter Creek
Location2.5 MI S of JCT TH 210
RouteInterstate 35
Coordinates46.64368, -92.51743
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 inspectionJune 2024
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 loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,950 (2018)
Projected traffic8,850 by 2038
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Little Otter Creek built?

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

What condition is I 35 over Little Otter Creek 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 June 2024.

How much traffic does I 35 over Little Otter Creek carry?

About 9,950 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is I 35 over Little Otter Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns I 35 over Little Otter Creek?

It is owned by the State Highway Agency.