US Bridges

CR 70 over Cross River

Good

Koochiching County, Minnesota · 1.0 MI S of JCT TH 65 · Structure no. 36J17

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
11
2021 count
Owner
County
County Highway Agency

About this bridge

CR 70 over Cross River is a concrete culvert carrying CR 70 over Cross River in Koochiching County, Minnesota. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, projected to reach 49 by 2041. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesCR 70
CrossesCross River
Location1.0 MI S of JCT TH 65
RouteCounty Highway 70
CountyKoochiching County
StateMinnesota
Coordinates48.25794, -93.55126
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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2021)
Projected traffic49 by 2041
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 70 over Cross River built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 70 over Cross 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 October 2024.

How much traffic does CR 70 over Cross River carry?

About 11 vehicles per day (2021 count).

How long is CR 70 over Cross River?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns CR 70 over Cross River?

It is owned by the County Highway Agency.