US Bridges

T 278 over Stream

Fair

Winona County, Minnesota · 0.7 MI N of JCT Csah 5 · Structure no. L9702

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
24
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 278 over Stream is a concrete culvert carrying T 278 over Stream in Winona County, Minnesota. It was built in 1977, so it is 48 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 24 vehicles a day, projected to reach 24 by 2029. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesT 278
CrossesStream
Location0.7 MI N of JCT Csah 5
RouteCounty Highway 278
Coordinates43.8695, -91.45966
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.6 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 traffic24 (1986)
Projected traffic24 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 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 278 over Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is T 278 over Stream 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 October 2024.

How much traffic does T 278 over Stream carry?

About 24 vehicles per day (1986 count).

How long is T 278 over Stream?

The structure is 35 ft (10.6 m) long with a longest span of 10 ft (2.9 m).

Who owns T 278 over Stream?

It is owned by the Town or Township Highway Agency.