US Bridges

T 77 over Stream

Fair

Winona County, Minnesota · 1.2 MI N of JCT TH 14 · Structure no. 95199

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
74
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 77 over Stream is a concrete culvert carrying T 77 over Stream in Winona County, Minnesota. It was built in 1979, so it is 46 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 74 vehicles a day, projected to reach 74 by 2029. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 77
CrossesStream
Location1.2 MI N of JCT TH 14
RouteCounty Highway 77
Coordinates44.00153, -91.91799
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 inspectionOctober 2023
Inspection intervalevery 24 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (1986)
Projected traffic74 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 77 over Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 77 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 2023.

How much traffic does T 77 over Stream carry?

About 74 vehicles per day (1986 count).

How long is T 77 over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (3.9 m).

Who owns T 77 over Stream?

It is owned by the Town or Township Highway Agency.