US Bridges

T 85 over Vermillion River

Good

Dakota County, Minnesota · 2.2 MI E of JCT Csah 23 · Structure no. 19520

Built
1992
33 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
64 ft
3 main spans
Daily traffic
150
1996 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 85 over Vermillion River is a concrete culvert carrying T 85 over Vermillion River in Dakota County, Minnesota. It was built in 1992, so it is 33 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 150 vehicles a day, roughly 33% of them trucks, projected to reach 150 by 2029. The structure is 64 ft (19.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 85
CrossesVermillion River
Location2.2 MI E of JCT Csah 23
RouteCounty Highway 85
Coordinates44.6234, -93.17367
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length64 ft (19.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1996)
Projected traffic150 by 2029
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 85 over Vermillion River built?

It was built in 1992, making it 33 years old in 2025.

What condition is T 85 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 December 2024.

How much traffic does T 85 over Vermillion River carry?

About 150 vehicles per day (1996 count), of which roughly 33% are trucks.

How long is T 85 over Vermillion River?

The structure is 64 ft (19.6 m) long with a longest span of 17 ft (5.2 m).

Who owns T 85 over Vermillion River?

It is owned by the Town or Township Highway Agency.