US Bridges

T 216 over Cowan Brook

Good

Aitkin County, Minnesota · 3.4 MI S of JCT TH 18 · Structure no. 01J12

Built
2000
25 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
10
2000 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 216 over Cowan Brook is a concrete culvert carrying T 216 over Cowan Brook in Aitkin County, Minnesota. It was built in 2000, so it is 25 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 10 by 2029. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 216
CrossesCowan Brook
Location3.4 MI S of JCT TH 18
RouteCounty Highway 216
Coordinates46.16718, -93.22055
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2000)
Projected traffic10 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 216 over Cowan Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is T 216 over Cowan Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does T 216 over Cowan Brook carry?

About 10 vehicles per day (2000 count).

How long is T 216 over Cowan Brook?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.6 m).

Who owns T 216 over Cowan Brook?

It is owned by the Town or Township Highway Agency.