US Bridges

T 4406 over Otter Creek

Fair

Itasca County, Minnesota · 0.4 MI E of JCT Csah 33 · Structure no. 31J22

Built
2014
11 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
25
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 4406 over Otter Creek is a steel culvert carrying T 4406 over Otter Creek in Itasca County, Minnesota. It was built in 2014, so it is 11 years old, younger 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 25 vehicles a day, projected to reach 25 by 2034. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesT 4406
CrossesOtter Creek
Location0.4 MI E of JCT Csah 33
RouteCounty Highway 4406
CountyItasca County
StateMinnesota
Coordinates47.62726, -94.29657
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2014)
Projected traffic25 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 4406 over Otter Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is T 4406 over 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 September 2024.

How much traffic does T 4406 over Otter Creek carry?

About 25 vehicles per day (2014 count).

How long is T 4406 over Otter Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns T 4406 over Otter Creek?

It is owned by the Town or Township Highway Agency.