US Bridges

T 184 over Little Cannon River

FairPosted for load

Goodhue County, Minnesota · 0.3 MI W of JCT CSAH14 · Structure no. 25507

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
24
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 184 over Little Cannon River is a prestressed concrete channel beam carrying T 184 over Little Cannon River in Goodhue County, Minnesota. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 24 vehicles a day, projected to reach 24 by 2029. The structure is 94 ft (28.5 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 184
CrossesLittle Cannon River
Location0.3 MI W of JCT CSAH14
RouteCounty Highway 184
Coordinates44.44219, -92.91125
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.5 m)
Longest span31 ft (9.5 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (1986)
Projected traffic24 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 184 over Little Cannon River built?

It was built in 1968, making it 57 years old in 2025.

What condition is T 184 over Little Cannon River 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 184 over Little Cannon River carry?

About 24 vehicles per day (1986 count).

How long is T 184 over Little Cannon River?

The structure is 94 ft (28.5 m) long with a longest span of 31 ft (9.5 m) and a deck 23 ft wide.

Who owns T 184 over Little Cannon River?

It is owned by the Town or Township Highway Agency.