US Bridges

Csah 4 over Skunk Creek

Good

Jackson County, Minnesota · 0.1 MI W of JCT Csah 9 · Structure no. 32537

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
315
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Skunk Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 4 over Skunk Creek in Jackson County, Minnesota. It was built in 1984, so it is 41 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 315 vehicles a day, projected to reach 315 by 2039. The structure is 75 ft (23 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 4
CrossesSkunk Creek
Location0.1 MI W of JCT Csah 9
RouteCounty Highway 4
Coordinates43.54401, -95.30585
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.8 US tons
Inventory rating26.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (23 m)
Longest span73 ft (22.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2016)
Projected traffic315 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$169 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 4 over Skunk Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Csah 4 over Skunk Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 4 over Skunk Creek carry?

About 315 vehicles per day (2016 count).

How long is Csah 4 over Skunk Creek?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.2 m) and a deck 43 ft wide.

Who owns Csah 4 over Skunk Creek?

It is owned by the County Highway Agency.