US Bridges

Csah 46 over Vermillion River

Good

Dakota County, Minnesota · 0.5 MI W of JCT Csah 47 · Structure no. 19569

Built
2015
10 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
7,100
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 46 over Vermillion River is a concrete continuous slab carrying Csah 46 over Vermillion River in Dakota County, Minnesota. It was built in 2015, so it is 10 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 7,100 vehicles a day, roughly 5% of them trucks, projected to reach 7,900 by 2042. The structure is 132 ft (40.1 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 46
CrossesVermillion River
Location0.5 MI W of JCT Csah 47
RouteCounty Highway 46
CountyDakota County
StateMinnesota
Coordinates44.71682, -92.89578
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length132 ft (40.1 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2022)
Projected traffic7,900 by 2042
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 46 over Vermillion River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Csah 46 over Vermillion 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 November 2023.

How much traffic does Csah 46 over Vermillion River carry?

About 7,100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Csah 46 over Vermillion River?

The structure is 132 ft (40.1 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Csah 46 over Vermillion River?

It is owned by the County Highway Agency.