US Bridges

Csah 9 over Jack Creek

FairPosted for load

Jackson County, Minnesota · 1.9 MI S of JCT TH 60 · Structure no. 5937

Built
1940
85 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
94 ft
3 main spans
Daily traffic
1,050
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Jack Creek is a wood or timber stringer/multi-beam or girder carrying Csah 9 over Jack Creek in Jackson 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 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 1,050 vehicles a day, projected to reach 1,050 by 2039. The structure is 94 ft (28.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesJack Creek
Location1.9 MI S of JCT TH 60
RouteCounty Highway 9
CountyJackson County
StateMinnesota
Coordinates43.76936, -95.31547
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: 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 rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length94 ft (28.8 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2016)
Projected traffic1,050 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$228 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Jack Creek built?

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

What condition is Csah 9 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 9 over Jack Creek carry?

About 1,050 vehicles per day (2016 count).

How long is Csah 9 over Jack Creek?

The structure is 94 ft (28.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Csah 9 over Jack Creek?

It is owned by the County Highway Agency.