US Bridges

Mn 47 over Rice Creek

Good

Anoka County, Minnesota · 1.4 MI N of TH 694 · Structure no. 91097

Built
1965
60 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
32,500
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 47 over Rice Creek is a concrete culvert carrying Mn 47 over Rice Creek in Anoka 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 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 32,500 vehicles a day, roughly 4% of them trucks, projected to reach 34,000 by 2039. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMn 47
CrossesRice Creek
Location1.4 MI N of TH 694
RouteState Highway 47
Coordinates45.09165, -93.26353
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 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 rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (2019)
Projected traffic34,000 by 2039
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Mn 47 over Rice Creek built?

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

What condition is Mn 47 over Rice 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 July 2023.

How much traffic does Mn 47 over Rice Creek carry?

About 32,500 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Mn 47 over Rice Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m).

Who owns Mn 47 over Rice Creek?

It is owned by the State Highway Agency.