US Bridges

Csah 6 over Unnamed Creek

Good

Carlton County, Minnesota · 1.8 MI E of JCT Csah 5 · Structure no. 09538

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
1 main span
Daily traffic
420
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Unnamed Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 6 over Unnamed Creek in Carlton County, Minnesota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, projected to reach 583 by 2043. The structure is 143 ft (43.6 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCsah 6
CrossesUnnamed Creek
Location1.8 MI E of JCT Csah 5
RouteCounty Highway 6
Coordinates46.51921, -92.50193
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length143 ft (43.6 m)
Longest span139 ft (42.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic583 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 6 over Unnamed Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 6 over Unnamed 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 December 2024.

How much traffic does Csah 6 over Unnamed Creek carry?

About 420 vehicles per day (2020 count).

How long is Csah 6 over Unnamed Creek?

The structure is 143 ft (43.6 m) long with a longest span of 139 ft (42.3 m) and a deck 36 ft wide.

Who owns Csah 6 over Unnamed Creek?

It is owned by the County Highway Agency.