US Bridges

Csah 6 over High Island Creek

Good

Sibley County, Minnesota · 0.1 MI S of JCT Csah 12 · Structure no. 72534

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
1,491
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over High Island Creek is a concrete continuous slab carrying Csah 6 over High Island Creek in Sibley County, Minnesota. It was built in 1996, so it is 29 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,491 vehicles a day, projected to reach 1,200 by 2042. The structure is 81 ft (24.8 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 6
CrossesHigh Island Creek
Location0.1 MI S of JCT Csah 12
RouteCounty Highway 6
Coordinates44.57137, -93.92272
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length81 ft (24.8 m)
Longest span41 ft (12.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,491 (2022)
Projected traffic1,200 by 2042
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 Csah 6 over High Island Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 6 over High Island 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 November 2023.

How much traffic does Csah 6 over High Island Creek carry?

About 1,491 vehicles per day (2022 count).

How long is Csah 6 over High Island Creek?

The structure is 81 ft (24.8 m) long with a longest span of 41 ft (12.5 m) and a deck 47 ft wide.

Who owns Csah 6 over High Island Creek?

It is owned by the County Highway Agency.