US Bridges

M 47 over E Br Amity Creek

Good

St. Louis County, Minnesota · 0.4 MI E of JCT CR 246 · Structure no. 96502

Built
1988
37 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
20
1987 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 47 over E Br Amity Creek is a concrete culvert carrying M 47 over E Br Amity Creek in St. Louis County, Minnesota. It was built in 1988, so it is 37 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesM 47
CrossesE Br Amity Creek
Location0.4 MI E of JCT CR 246
RouteCity Street 47
Coordinates46.87643, -92.06303
Functional classUrban 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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 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 traffic20 (1987)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 47 over E Br Amity Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is M 47 over E Br Amity Creek 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 November 2024.

How much traffic does M 47 over E Br Amity Creek carry?

About 20 vehicles per day (1987 count).

How long is M 47 over E Br Amity Creek?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns M 47 over E Br Amity Creek?

It is owned by the City or Municipal Highway Agency.