US Bridges

CR 66 over N Br Little Sioux River

Good

Jackson County, Minnesota · 1.3 MI W of JCT TH 86 · Structure no. 32J39

Built
2006
19 years old
Condition
Good
inspected September 2025
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
35
2012 count
Owner
County
County Highway Agency

About this bridge

CR 66 over N Br Little Sioux River is a concrete culvert carrying CR 66 over N Br Little Sioux River in Jackson County, Minnesota. It was built in 2006, so it is 19 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 35 vehicles a day, projected to reach 35 by 2039. The structure is 26 ft (7.9 m) long.

CarriesCR 66
CrossesN Br Little Sioux River
Location1.3 MI W of JCT TH 86
RouteCounty Highway 66
Coordinates43.55877, -95.20147
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 inspectionSeptember 2025
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 rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.9 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 traffic35 (2012)
Projected traffic35 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 66 over N Br Little Sioux River built?

It was built in 2006, making it 19 years old in 2025.

What condition is CR 66 over N Br Little Sioux 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 September 2025.

How much traffic does CR 66 over N Br Little Sioux River carry?

About 35 vehicles per day (2012 count).

How long is CR 66 over N Br Little Sioux River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 66 over N Br Little Sioux River?

It is owned by the County Highway Agency.