US Bridges

CR 866 over Artichoke River

Good

St. Louis County, Minnesota · 0.3 MI E of JCT Csah 31 · Structure no. 96589

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

CR 866 over Artichoke River is a concrete culvert carrying CR 866 over Artichoke River in St. Louis County, Minnesota. It was built in 1987, so it is 38 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 55 vehicles a day, projected to reach 45 by 2039. The structure is 49 ft (14.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 866
CrossesArtichoke River
Location0.3 MI E of JCT Csah 31
RouteCounty Highway 866
Coordinates46.89702, -92.57796
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 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 rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2019)
Projected traffic45 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 866 over Artichoke River built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR 866 over Artichoke 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 866 over Artichoke River carry?

About 55 vehicles per day (2019 count).

How long is CR 866 over Artichoke River?

The structure is 49 ft (14.8 m) long with a longest span of 14 ft (4.2 m).

Who owns CR 866 over Artichoke River?

It is owned by the County Highway Agency.