US Bridges

T 57 over Rush Creek

Fair

Chisago County, Minnesota · 0.3 MI S of JCT CR 55 · Structure no. L5979

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
70
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 57 over Rush Creek is a steel culvert carrying T 57 over Rush Creek in Chisago County, Minnesota. It was built in 1975, so it is 50 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 70 vehicles a day, projected to reach 70 by 2029. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 57
CrossesRush Creek
Location0.3 MI S of JCT CR 55
RouteCounty Highway 57
Coordinates45.68784, -92.92842
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1970)
Projected traffic70 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 57 over Rush Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is T 57 over Rush 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 57 over Rush Creek carry?

About 70 vehicles per day (1970 count).

How long is T 57 over Rush Creek?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).

Who owns T 57 over Rush Creek?

It is owned by the Town or Township Highway Agency.