US Bridges

T 321 over Dry Creek

Good

Olmsted County, Minnesota · 1.6 MI E JCT Csah 11 on · Structure no. 55J92

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
99
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 321 over Dry Creek is a concrete culvert carrying T 321 over Dry Creek in Olmsted County, Minnesota. It was built in 2012, so it is 13 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 99 vehicles a day, projected to reach 99 by 2032. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 321
CrossesDry Creek
Location1.6 MI E JCT Csah 11 on
RouteCounty Highway 321
Coordinates44.12226, -92.32826
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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length32 ft (9.7 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2012)
Projected traffic99 by 2032
Trucks—
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

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 321 over Dry Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is T 321 over Dry Creek 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 321 over Dry Creek carry?

About 99 vehicles per day (2012 count).

How long is T 321 over Dry Creek?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.5 m).

Who owns T 321 over Dry Creek?

It is owned by the Town or Township Highway Agency.