US Bridges

T 377 over Stream

PoorPosted for load

Goodhue County, Minnesota · 0.3 MI S of JCT Csah 11 · Structure no. L0771

Built
1964
61 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
15
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 377 over Stream is a steel stringer/multi-beam or girder carrying T 377 over Stream in Goodhue County, Minnesota. It was built in 1964, so it is 61 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2029. The structure is 27 ft (8.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 377
CrossesStream
Location0.3 MI S of JCT Csah 11
RouteCounty Highway 377
Coordinates44.20729, -92.91241
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.4 US tons
Inventory rating14.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1986)
Projected traffic15 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$305 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 377 over Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is T 377 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does T 377 over Stream carry?

About 15 vehicles per day (1986 count).

How long is T 377 over Stream?

The structure is 27 ft (8.3 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns T 377 over Stream?

It is owned by the Town or Township Highway Agency.