US Bridges

T 177 over Stream

PoorPosted for load

Dodge County, Minnesota · 0.2 MI S of JCT Csah 24 · Structure no. L5516

Built
1945
80 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
31
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 177 over Stream is a steel stringer/multi-beam or girder carrying T 177 over Stream in Dodge County, Minnesota. It was built in 1945, so it is 80 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 31 vehicles a day, projected to reach 31 by 2029. The structure is 31 ft (9.4 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 177
CrossesStream
Location0.2 MI S of JCT Csah 24
RouteCounty Highway 177
Coordinates44.14999, -92.87911
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (1993)
Projected traffic31 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$380 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 177 over Stream built?

It was built in 1945, making it 80 years old in 2025.

What condition is T 177 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 177 over Stream carry?

About 31 vehicles per day (1993 count).

How long is T 177 over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 23 ft wide.

Who owns T 177 over Stream?

It is owned by the Town or Township Highway Agency.