US Bridges

CR 66 over Sleepy Eye Creek

Poor

Redwood County, Minnesota · 0.9 MI E of JCT Csah 7 · Structure no. 64510

Built
1965
60 years old
Condition
Poor
inspected November 2024
Type
Slab
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
50
2011 count
Owner
County
County Highway Agency

About this bridge

CR 66 over Sleepy Eye Creek is a wood or timber slab carrying CR 66 over Sleepy Eye Creek in Redwood County, Minnesota. It was built in 1965, so it is 60 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 50 by 2039. The structure is 41 ft (12.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 66
CrossesSleepy Eye Creek
Location0.9 MI E of JCT Csah 7
RouteCounty Highway 66
Coordinates44.35544, -95.32953
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.5 US tons
Inventory rating61.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length41 ft (12.4 m)
Longest span19 ft (5.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2011)
Projected traffic50 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 66 over Sleepy Eye Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR 66 over Sleepy Eye Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does CR 66 over Sleepy Eye Creek carry?

About 50 vehicles per day (2011 count).

How long is CR 66 over Sleepy Eye Creek?

The structure is 41 ft (12.4 m) long with a longest span of 19 ft (5.9 m) and a deck 28 ft wide.

Who owns CR 66 over Sleepy Eye Creek?

It is owned by the County Highway Agency.