US Bridges

Ut 8215 over Birch River

Good

St. Louis County, Minnesota · 4 MI W of Babbitt · Structure no. 69J81

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
22 ft
1 main span
Daily traffic
125
2015 count
Owner
County
County Highway Agency

About this bridge

Ut 8215 over Birch River is a aluminum, wrought iron, or cast iron culvert carrying Ut 8215 over Birch River in St. Louis County, Minnesota. It was built in 2011, so it is 14 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 125 vehicles a day, projected to reach 125 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesUt 8215
CrossesBirch River
Location4 MI W of Babbitt
RouteCounty Highway 8215
Coordinates47.71611, -92.03548
Functional classRural Minor Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2015)
Projected traffic125 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ut 8215 over Birch River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ut 8215 over Birch River 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 July 2023.

How much traffic does Ut 8215 over Birch River carry?

About 125 vehicles per day (2015 count).

How long is Ut 8215 over Birch River?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Ut 8215 over Birch River?

It is owned by the County Highway Agency.