US Bridges

Csah 6 over Swan River

Good

Morrison County, Minnesota · 0.2 MI S of JCT Csah 12 · Structure no. 49558

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
470
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Swan River is a prestressed concrete stringer/multi-beam or girder carrying Csah 6 over Swan River in Morrison County, Minnesota. It was built in 2023, so it is 2 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 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 470 vehicles a day, projected to reach 659 by 2042. The structure is 85 ft (25.9 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 6
CrossesSwan River
Location0.2 MI S of JCT Csah 12
RouteCounty Highway 6
CountyMorrison County
StateMinnesota
Coordinates45.91528, -94.47258
Functional classRural Minor 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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span83 ft (25.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2022)
Projected traffic659 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Swan River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 6 over Swan River 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 6 over Swan River carry?

About 470 vehicles per day (2022 count).

How long is Csah 6 over Swan River?

The structure is 85 ft (25.9 m) long with a longest span of 83 ft (25.2 m) and a deck 39 ft wide.

Who owns Csah 6 over Swan River?

It is owned by the County Highway Agency.