US Bridges

CR 61 over Jack Creek

FairPosted for load

Jackson County, Minnesota · 0.1 MI S of JCT CR 63 · Structure no. 6421

Built
1941
84 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
63 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

CR 61 over Jack Creek is a wood or timber stringer/multi-beam or girder carrying CR 61 over Jack Creek in Jackson County, Minnesota. It was built in 1941, so it is 84 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 30 by 2040. The structure is 63 ft (19.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 61
CrossesJack Creek
Location0.1 MI S of JCT CR 63
RouteCounty Highway 61
Coordinates43.76076, -95.43548
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.5 US tons
Inventory rating19.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length63 ft (19.2 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic30 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$136 million
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 61 over Jack Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is CR 61 over Jack Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does CR 61 over Jack Creek carry?

About 40 vehicles per day (2020 count).

How long is CR 61 over Jack Creek?

The structure is 63 ft (19.2 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns CR 61 over Jack Creek?

It is owned by the County Highway Agency.