US Bridges

Mn 70 over Rice Creek

Good

Kanabec County, Minnesota · 3.5 MI W of JCT 107 · Structure no. 33004

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
709
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 70 over Rice Creek is a concrete continuous slab carrying Mn 70 over Rice Creek in Kanabec County, Minnesota. It was built in 1992, so it is 33 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 709 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2042. The structure is 139 ft (42.3 m) long and 38 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMn 70
CrossesRice Creek
Location3.5 MI W of JCT 107
RouteState Highway 70
Coordinates45.7882, -93.20706
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.3 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length139 ft (42.3 m)
Longest span53 ft (16.2 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic709 (2022)
Projected traffic1,000 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 70 over Rice Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mn 70 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 September 2024.

How much traffic does Mn 70 over Rice Creek carry?

About 709 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mn 70 over Rice Creek?

The structure is 139 ft (42.3 m) long with a longest span of 53 ft (16.2 m) and a deck 38 ft wide.

Who owns Mn 70 over Rice Creek?

It is owned by the State Highway Agency.