US Bridges

T 484 over Sand Creek

Fair

Crow Wing County, Minnesota · 0.7 MI E of JCT Csah 25 · Structure no. 96046

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
10
1984 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 484 over Sand Creek is a concrete culvert carrying T 484 over Sand Creek in Crow Wing County, Minnesota. It was built in 1985, so it is 40 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, projected to reach 10 by 2029. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT 484
CrossesSand Creek
Location0.7 MI E of JCT Csah 25
RouteCounty Highway 484
Coordinates46.37402, -94.0816
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 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 traffic10 (1984)
Projected traffic10 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 484 over Sand Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is T 484 over Sand Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does T 484 over Sand Creek carry?

About 10 vehicles per day (1984 count).

How long is T 484 over Sand Creek?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3 m).

Who owns T 484 over Sand Creek?

It is owned by the Town or Township Highway Agency.