US Bridges

Csah 50 over Vermillion River

Fair

Dakota County, Minnesota · 0.3 MI E of JCT Csah 31 · Structure no. 19532

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
12,614
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 50 over Vermillion River is a concrete continuous slab carrying Csah 50 over Vermillion River in Dakota 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,614 vehicles a day, roughly 6% of them trucks, projected to reach 13,800 by 2041. The structure is 92 ft (28 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 50
CrossesVermillion River
Location0.3 MI E of JCT Csah 31
RouteCounty Highway 50
Coordinates44.64044, -93.15139
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating68.6 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span38 ft (11.6 m)
Deck width66 ft (20.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,614 (2021)
Projected traffic13,800 by 2041
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 50 over Vermillion River built?

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

What condition is Csah 50 over Vermillion River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Csah 50 over Vermillion River carry?

About 12,614 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Csah 50 over Vermillion River?

The structure is 92 ft (28 m) long with a longest span of 38 ft (11.6 m) and a deck 66 ft wide.

Who owns Csah 50 over Vermillion River?

It is owned by the County Highway Agency.