US Bridges

T 100 over Vermillion River

Good

Dakota County, Minnesota · 0.3 MI W of JCT Csah 9 · Structure no. 19J02

Built
1995
30 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
120
1996 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 100 over Vermillion River is a concrete culvert carrying T 100 over Vermillion River in Dakota County, Minnesota. It was built in 1995, so it is 30 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 120 vehicles a day, roughly 6% of them trucks, projected to reach 120 by 2029. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 100
CrossesVermillion River
Location0.3 MI W of JCT Csah 9
RouteCounty Highway 100
Coordinates44.59459, -93.27275
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.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to 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 spans2
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1996)
Projected traffic120 by 2029
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 100 over Vermillion River built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 100 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 2022.

How much traffic does T 100 over Vermillion River carry?

About 120 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is T 100 over Vermillion River?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m).

Who owns T 100 over Vermillion River?

It is owned by the Town or Township Highway Agency.