US Bridges

CR 70 over Stream

Good

Chisago County, Minnesota · 0.4 MI N of JCT TH 95 · Structure no. 13J10

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
450
2009 count
Owner
County
County Highway Agency

About this bridge

CR 70 over Stream is a concrete culvert carrying CR 70 over Stream in Chisago County, Minnesota. It was built in 2004, so it is 21 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 450 vehicles a day, projected to reach 450 by 2039. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 70
CrossesStream
Location0.4 MI N of JCT TH 95
RouteCounty Highway 70
Coordinates45.51684, -92.8135
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.
Culvert7 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (7.1 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 traffic450 (2009)
Projected traffic450 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 70 over Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 70 over Stream 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 CR 70 over Stream carry?

About 450 vehicles per day (2009 count).

How long is CR 70 over Stream?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3.2 m).

Who owns CR 70 over Stream?

It is owned by the County Highway Agency.