US Bridges

T 329 over Wolverton Creek

Good

Clay County, Minnesota · 0.4 MI N of JCT Csah 2 · Structure no. 96975

Built
1991
34 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
41
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 329 over Wolverton Creek is a concrete culvert carrying T 329 over Wolverton Creek in Clay County, Minnesota. It was built in 1991, so it is 34 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 41 vehicles a day, projected to reach 41 by 2029. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 329
CrossesWolverton Creek
Location0.4 MI N of JCT Csah 2
RouteCounty Highway 329
Coordinates46.66611, -96.73709
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (1986)
Projected traffic41 by 2029
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 329 over Wolverton Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is T 329 over Wolverton 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 January 2025.

How much traffic does T 329 over Wolverton Creek carry?

About 41 vehicles per day (1986 count).

How long is T 329 over Wolverton Creek?

The structure is 27 ft (8.1 m) long with a longest span of 10 ft (3 m).

Who owns T 329 over Wolverton Creek?

It is owned by the Town or Township Highway Agency.