Csah 7 over Jack Creek

FairPosted for load

Jackson County, Minnesota · 1.0 MI N of TH 60 · Structure no. 32505

Built: 1967; 58 years old
Condition: Fair; inspected October 2023
Type: Slab; Wood or Timber
Length: 78 ft; 3 main spans
Daily traffic: 175; 2016 count
Owner: County; County Highway Agency

About this bridge

Csah 7 over Jack Creek is a wood or timber slab carrying Csah 7 over Jack Creek in Jackson County, Minnesota. It was built in 1967, so it is 58 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 6 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 175 vehicles a day, projected to reach 175 by 2039. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCsah 7

CrossesJack Creek

Location1.0 MI N of TH 60

RouteCounty Highway 7

CountyJackson County

StateMinnesota

Coordinates43.77492, -95.37562

Functional classRural Minor Collector

Condition and inspection

Fair

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

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating48.4 US tons

Inventory rating33.7 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans3

Design loadH 20

Structure length78 ft (23.8 m)

Longest span26 ft (7.9 m)

Deck width32 ft (9.8 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2016)

Projected traffic175 by 2039

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$173 million

NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over Jack Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 7 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 Csah 7 over Jack Creek carry?

About 175 vehicles per day (2016 count).

How long is Csah 7 over Jack Creek?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Csah 7 over Jack Creek?

It is owned by the County Highway Agency.