US Bridges

T 1663 over Vermillion River

Good

Dakota County, Minnesota · 1.1 MI W of JCT Csah 47 · Structure no. 95874

Built
1984
41 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
45 ft
1 main span
Daily traffic
75
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 1663 over Vermillion River is a concrete culvert carrying T 1663 over Vermillion River in Dakota County, Minnesota. It was built in 1984, so it is 41 years old, older 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 75 vehicles a day, projected to reach 75 by 2029. The structure is 45 ft (13.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 1663
CrossesVermillion River
Location1.1 MI W of JCT Csah 47
RouteCounty Highway 1663
Coordinates44.70218, -92.91187
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span40 ft (12.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1993)
Projected traffic75 by 2029
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 1663 over Vermillion River built?

It was built in 1984, making it 41 years old in 2025.

What condition is T 1663 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 January 2024.

How much traffic does T 1663 over Vermillion River carry?

About 75 vehicles per day (1993 count).

How long is T 1663 over Vermillion River?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.3 m).

Who owns T 1663 over Vermillion River?

It is owned by the Town or Township Highway Agency.