US Bridges

T 409 over Morgan Creek

Fair

Blue Earth County, Minnesota · 0.2 MI S of JCT Csah 47 · Structure no. L6498

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
54 ft
4 main spans
Daily traffic
10
1982 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 409 over Morgan Creek is a concrete culvert carrying T 409 over Morgan Creek in Blue Earth County, Minnesota. It was built in 1962, so it is 63 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 5 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 54 ft (16.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesT 409
CrossesMorgan Creek
Location0.2 MI S of JCT Csah 47
RouteCounty Highway 409
CountyBlue Earth County
StateMinnesota
Coordinates44.22607, -94.34141
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length54 ft (16.6 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1982)
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 409 over Morgan Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is T 409 over Morgan 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 2023.

How much traffic does T 409 over Morgan Creek carry?

About 10 vehicles per day (1982 count).

How long is T 409 over Morgan Creek?

The structure is 54 ft (16.6 m) long with a longest span of 10 ft (2.9 m).

Who owns T 409 over Morgan Creek?

It is owned by the Town or Township Highway Agency.