US Bridges

T 324 over Coon Creek

Good

Norman County, Minnesota · 0.8 MI N of JCT Csah 33 · Structure no. 54J03

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
50
1997 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 324 over Coon Creek is a concrete culvert carrying T 324 over Coon Creek in Norman County, Minnesota. It was built in 1997, so it is 28 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 324
CrossesCoon Creek
Location0.8 MI N of JCT Csah 33
RouteCounty Highway 324
Coordinates47.23402, -96.32174
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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1997)
Projected traffic50 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 324 over Coon Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is T 324 over Coon 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 August 2023.

How much traffic does T 324 over Coon Creek carry?

About 50 vehicles per day (1997 count).

How long is T 324 over Coon Creek?

The structure is 38 ft (11.6 m) long with a longest span of 15 ft (4.7 m).

Who owns T 324 over Coon Creek?

It is owned by the Town or Township Highway Agency.