US Bridges

T 173 over Stream

Fair

Waseca County, Minnesota · 0.1 MI N of JCT CR 74 · Structure no. 91624

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
36
1969 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 173 over Stream is a concrete culvert carrying T 173 over Stream in Waseca 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 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 36 vehicles a day, projected to reach 36 by 2029. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT 173
CrossesStream
Location0.1 MI N of JCT CR 74
RouteCounty Highway 173
CountyWaseca County
StateMinnesota
Coordinates43.93675, -93.66741
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (1969)
Projected traffic36 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 173 over Stream built?

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

What condition is T 173 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 November 2023.

How much traffic does T 173 over Stream carry?

About 36 vehicles per day (1969 count).

How long is T 173 over Stream?

The structure is 28 ft (8.4 m) long with a longest span of 10 ft (3.1 m).

Who owns T 173 over Stream?

It is owned by the Town or Township Highway Agency.