US Bridges

CR 266 over Little Knife River

Good

St. Louis County, Minnesota · 0.8 MI W of JCT Csah 41 · Structure no. 69J74

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
165
2019 count
Owner
County
County Highway Agency

About this bridge

CR 266 over Little Knife River is a concrete culvert carrying CR 266 over Little Knife River in St. Louis County, Minnesota. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 165 vehicles a day, projected to reach 85 by 2039. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 266
CrossesLittle Knife River
Location0.8 MI W of JCT Csah 41
RouteCounty Highway 266
Coordinates47.03262, -91.83263
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior 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 length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2019)
Projected traffic85 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 266 over Little Knife River built?

It was built in 2014, making it 11 years old in 2025.

What condition is CR 266 over Little Knife 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 July 2024.

How much traffic does CR 266 over Little Knife River carry?

About 165 vehicles per day (2019 count).

How long is CR 266 over Little Knife River?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 266 over Little Knife River?

It is owned by the County Highway Agency.