US Bridges

CR 70 over Jd #8

PoorPosted for load

Freeborn County, Minnesota · 0.4 MI E of JCT Csah 10 · Structure no. 89308

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
35
2013 count
Owner
County
County Highway Agency

About this bridge

CR 70 over Jd #8 is a concrete culvert carrying CR 70 over Jd #8 in Freeborn County, Minnesota. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 35 by 2039. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 70
CrossesJd #8
Location0.4 MI E of JCT Csah 10
RouteCounty Highway 70
CountyFreeborn County
StateMinnesota
Coordinates43.84012, -93.54044
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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.6 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2013)
Projected traffic35 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 70 over Jd #8 built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 70 over Jd #8 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 October 2024.

How much traffic does CR 70 over Jd #8 carry?

About 35 vehicles per day (2013 count).

How long is CR 70 over Jd #8?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns CR 70 over Jd #8?

It is owned by the County Highway Agency.